Alright, let's work through 72640564 times 27162133 step by step
72640564 × 27162133 = 27162133 × (72640564)
+ 27162133 × 4 what gives us 108648532
+ 27162133 × 60 that is equal 1629727980
+ 27162133 × 500 that is equal 13581066500
+ 27162133 × 0000 resulting in 0
+ 27162133 × 40000 which equals 1086485320000
+ 27162133 × 600000 that is equal 16297279800000
+ 27162133 × 2000000 that equals 54324266000000
+ 27162133 × 70000000 which equals 1901349310000000

= 1973072660563012
