Alright, let's work through 90724111 times 97070805 step by step
90724111 × 97070805 = 97070805 × (90724111)
+ 97070805 × 1 yielding 97070805
+ 97070805 × 10 that results in 970708050
+ 97070805 × 100 producing 9707080500
+ 97070805 × 4000 giving us 388283220000
+ 97070805 × 20000 resulting in 1941416100000
+ 97070805 × 700000 resulting in 67949563500000
+ 97070805 × 0000000 yielding 0
+ 97070805 × 90000000 that results in 8736372450000000

= 8806662487679355
