No problem, we've got 72394621 and 56365045 to multiply
72394621 × 56365045 = 56365045 × (72394621)
+ 56365045 × 1 giving us 56365045
+ 56365045 × 20 what gives us 1127300900
+ 56365045 × 600 which equals 33819027000
+ 56365045 × 4000 that equals 225460180000
+ 56365045 × 90000 which equals 5072854050000
+ 56365045 × 300000 which equals 16909513500000
+ 56365045 × 2000000 giving us 112730090000000
+ 56365045 × 70000000 that equals 3945553150000000

= 4080526070422945
