Alright, let's work through 29872671 times 15901492 step by step
29872671 × 15901492 = 15901492 × (29872671)
+ 15901492 × 1 which equals 15901492
+ 15901492 × 70 what gives us 1113104440
+ 15901492 × 600 that is equal 9540895200
+ 15901492 × 2000 resulting in 31802984000
+ 15901492 × 70000 that equals 1113104440000
+ 15901492 × 800000 that equals 12721193600000
+ 15901492 × 9000000 which equals 143113428000000
+ 15901492 × 20000000 that results in 318029840000000

= 475020038925132
