No problem, we've got 71376936 and 72729783 to multiply
71376936 × 72729783 = 72729783 × (71376936)
+ 72729783 × 6 that equals 436378698
+ 72729783 × 30 giving us 2181893490
+ 72729783 × 900 resulting in 65456804700
+ 72729783 × 6000 which equals 436378698000
+ 72729783 × 70000 that results in 5091084810000
+ 72729783 × 300000 resulting in 21818934900000
+ 72729783 × 1000000 which equals 72729783000000
+ 72729783 × 70000000 that results in 5091084810000000

= 5191229066484888
