Alright, let's work through 99120481 times 50938088 step by step
99120481 × 50938088 = 50938088 × (99120481)
+ 50938088 × 1 that is equal 50938088
+ 50938088 × 80 that results in 4075047040
+ 50938088 × 400 yielding 20375235200
+ 50938088 × 0000 giving us 0
+ 50938088 × 20000 what gives us 1018761760000
+ 50938088 × 100000 resulting in 5093808800000
+ 50938088 × 9000000 that results in 458442792000000
+ 50938088 × 90000000 yielding 4584427920000000

= 5049007783780328
