Alright, let's work through 6518421 times 97741158 step by step
6518421 × 97741158 = 97741158 × (6518421)
+ 97741158 × 1 that results in 97741158
+ 97741158 × 20 giving us 1954823160
+ 97741158 × 400 yielding 39096463200
+ 97741158 × 8000 resulting in 781929264000
+ 97741158 × 10000 resulting in 977411580000
+ 97741158 × 500000 resulting in 48870579000000
+ 97741158 × 6000000 what gives us 586446948000000

= 637118016871518
