No problem, we've got 72439425 and 72954024 to multiply
72439425 × 72954024 = 72954024 × (72439425)
+ 72954024 × 5 what gives us 364770120
+ 72954024 × 20 resulting in 1459080480
+ 72954024 × 400 that results in 29181609600
+ 72954024 × 9000 producing 656586216000
+ 72954024 × 30000 giving us 2188620720000
+ 72954024 × 400000 what gives us 29181609600000
+ 72954024 × 2000000 that is equal 145908048000000
+ 72954024 × 70000000 resulting in 5106781680000000

= 5284747549996200
