No problem, we've got 72403971 and 67276198 to multiply
72403971 × 67276198 = 67276198 × (72403971)
+ 67276198 × 1 resulting in 67276198
+ 67276198 × 70 giving us 4709333860
+ 67276198 × 900 that results in 60548578200
+ 67276198 × 3000 that results in 201828594000
+ 67276198 × 00000 that is equal 0
+ 67276198 × 400000 yielding 26910479200000
+ 67276198 × 2000000 that results in 134552396000000
+ 67276198 × 70000000 yielding 4709333860000000

= 4871063888982258
