No problem, we've got 71601093 and 60728528 to multiply
71601093 × 60728528 = 60728528 × (71601093)
+ 60728528 × 3 what gives us 182185584
+ 60728528 × 90 that equals 5465567520
+ 60728528 × 000 yielding 0
+ 60728528 × 1000 which equals 60728528000
+ 60728528 × 00000 what gives us 0
+ 60728528 × 600000 which equals 36437116800000
+ 60728528 × 1000000 producing 60728528000000
+ 60728528 × 70000000 resulting in 4250996960000000

= 4348228981081104
