Alright, let's work through 49870305 times 7711557 step by step
49870305 × 7711557 = 7711557 × (49870305)
+ 7711557 × 5 giving us 38557785
+ 7711557 × 00 giving us 0
+ 7711557 × 300 which equals 2313467100
+ 7711557 × 0000 what gives us 0
+ 7711557 × 70000 yielding 539808990000
+ 7711557 × 800000 that equals 6169245600000
+ 7711557 × 9000000 which equals 69404013000000
+ 7711557 × 40000000 what gives us 308462280000000

= 384577699614885
