Alright, let's work through 97257770 times 85878049 step by step
97257770 × 85878049 = 85878049 × (97257770)
+ 85878049 × 0 that results in 0
+ 85878049 × 70 which equals 6011463430
+ 85878049 × 700 producing 60114634300
+ 85878049 × 7000 that results in 601146343000
+ 85878049 × 50000 resulting in 4293902450000
+ 85878049 × 200000 which equals 17175609800000
+ 85878049 × 7000000 yielding 601146343000000
+ 85878049 × 90000000 yielding 7729024410000000

= 8352307537690730
