Alright, let's work through 49499815 times 30912537 step by step
49499815 × 30912537 = 30912537 × (49499815)
+ 30912537 × 5 what gives us 154562685
+ 30912537 × 10 giving us 309125370
+ 30912537 × 800 that is equal 24730029600
+ 30912537 × 9000 yielding 278212833000
+ 30912537 × 90000 that results in 2782128330000
+ 30912537 × 400000 that equals 12365014800000
+ 30912537 × 9000000 resulting in 278212833000000
+ 30912537 × 40000000 that equals 1236501480000000

= 1530164862680655
