No problem, we've got 72068482 and 23006731 to multiply
72068482 × 23006731 = 23006731 × (72068482)
+ 23006731 × 2 what gives us 46013462
+ 23006731 × 80 which equals 1840538480
+ 23006731 × 400 producing 9202692400
+ 23006731 × 8000 producing 184053848000
+ 23006731 × 60000 yielding 1380403860000
+ 23006731 × 000000 resulting in 0
+ 23006731 × 2000000 producing 46013462000000
+ 23006731 × 70000000 producing 1610471170000000

= 1658060178952342
