Alright, let's work through 42224425 times 91401688 step by step
42224425 × 91401688 = 91401688 × (42224425)
+ 91401688 × 5 that results in 457008440
+ 91401688 × 20 that results in 1828033760
+ 91401688 × 400 yielding 36560675200
+ 91401688 × 4000 what gives us 365606752000
+ 91401688 × 20000 resulting in 1828033760000
+ 91401688 × 200000 that equals 18280337600000
+ 91401688 × 2000000 giving us 182803376000000
+ 91401688 × 40000000 what gives us 3656067520000000

= 3859383719829400
