[Question]At the circus, the clown has 3 dozen balloons on a string in his hand. 3 boys and 12 girls buy a balloon each. How many balloons is the clown still holding?
[Answer]The clown is holding 3 x 12 = 36 balloons. This many children buy a balloon: 3 + 12 = 15 kids. After the children buy the balloons, the clown is holding this many in his hand 36 - 15 = 21 balloons. The answer is 21.
Q: Eric has a chicken farm with 4 chickens. His chickens lay 3 eggs each day. If Eric collects all the eggs after 3 days, then how many eggs will Eric have collected?
A: Each chicken lays 3 eggs per day and there are 4 chickens 3 * 4 = 12. He will collect all the eggs after 3 days 12 * 3 = 36. The answer is 36.
Question: Jim spends 8 hours scuba diving. In that time he finds a treasure chest with 100 gold coins in it. He also finds 2 smaller bags that have half as much gold each. How much gold does he find per hour?
Answer: The smaller bags each have 100 / 2 = 50 gold coins each. So in total, they have 50 * 2 = 100 coins. So he found 100 + 100 = 200 coins. So he finds 200 / 8 = 25 coins an hour. The answer is 25.
[Question]Charley has a bag that contains 51 white beads and 90 black beads. He reaches in the bag and pulls out 1/6 of the black beads and a third of the white beads. How many beads in total did Charley pull out?
[Answer]Charley pulled out 90 / 6 = 15 black beads. Charley pulled out 51 / 3 = 17 white beads. Charley pulled out 15 + 17 = 32 beads in total. The answer is 32.
Q: A housewife goes to the market. She spent 2/3 of her $150. How much does she have left?
A: The housewife has 3 / 3 - 2 / 3 = 1 / 3 of $150 left. This means she has $150 * (1 / 3) = $50 left. The answer is 50.
Question: Mark can jump 6 inches off the ground. Lisa can jump double the height as Mark, and Jacob can jump double the height of Lisa. If James jumps 2/3 as high Jacob, how high can James jump?
Answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Lisa can jump 6 * 2 = 12 inches. Jacob can jump 12 * 2 = 24 inches. James can jump 24 * (2 / 3) = 16 inches high. The answer is 16.