80×( 125+25)×40
=80× 125×40+25×40×80
= 10000×40+ 1000×80
=400000+80000
=480000
2.
First of all, apple juice is several times more than peach juice:
4- 1=3
Then figure out how many boxes of peach juice there are:
36÷3= 12 (box)
Finally, how many boxes of apple juice were found:
12+36=48 (box)