Alright, let's work through 90700320 times 60971952 step by step
90700320 × 60971952 = 60971952 × (90700320)
+ 60971952 × 0 that results in 0
+ 60971952 × 20 that is equal 1219439040
+ 60971952 × 300 resulting in 18291585600
+ 60971952 × 0000 yielding 0
+ 60971952 × 00000 that is equal 0
+ 60971952 × 700000 resulting in 42680366400000
+ 60971952 × 0000000 producing 0
+ 60971952 × 90000000 that results in 5487475680000000

= 5530175557424640
