Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
Mary bought 5 boxes of drinks at $6 each box and 10 boxes of pizzas at $14 each box for her pizza party. She paid $200 for all the items. How much change did she get back?

### Response:
 Mary alitumia jumla ya $6 x 5 = $<<6*5=30>>30 kwa vinywaji.
Aliitumia jumla ya $14 x 10 = $<<14*10=140>>140 kwa pizza.
Aliitumia jumla ya $140 + $30 = $<<140+30=170>>170 kwa chama.
Hivyo, mabadiliko yake ni $200 - $170 = $<<200-170=30>>30 baada ya kulipa vitu vyote kwa ajili ya chama.