Consider the question. Five coaster vans are used to transport students for their field trip. Each van carries 28 students, 60 of which are boys. How many are girls?
 If the answer is '80'; explain the reasoning:

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.
user
There are a total of 5 vans x 28 students = 140 students. If 60 are boys, then 140 - 60 = 80 of these students are girls.