Alright, let's work through 97649651 times 80413689 step by step
97649651 × 80413689 = 80413689 × (97649651)
+ 80413689 × 1 that is equal 80413689
+ 80413689 × 50 yielding 4020684450
+ 80413689 × 600 that results in 48248213400
+ 80413689 × 9000 yielding 723723201000
+ 80413689 × 40000 resulting in 3216547560000
+ 80413689 × 600000 that results in 48248213400000
+ 80413689 × 7000000 what gives us 562895823000000
+ 80413689 × 90000000 giving us 7237232010000000

= 7852368666472539
