You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

at the fair the 'twirly tea cups ' ride can hold 9 people per teacup . if the ride has 7 tea cups how many total people can ride at a time ?
63

white t-shirts can be purchased in packages of 6 if mom buys 71 packages how many white t-shirts will she have ?
426

if each ball costs $ 1.54 how much must kyoko pay for 3 balls ?

4.62