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

Maggie bought 4 packs of red bouncy balls , 8 packs of yellow bouncy balls , and 4 packs of green bouncy balls . There were 10 bouncy balls in each package . How many bouncy balls did Maggie buy in all ?
160