No problem, we've got 39987012 and 73647253 to multiply
39987012 × 73647253 = 73647253 × (39987012)
+ 73647253 × 2 giving us 147294506
+ 73647253 × 10 giving us 736472530
+ 73647253 × 000 that is equal 0
+ 73647253 × 7000 that is equal 515530771000
+ 73647253 × 80000 that results in 5891780240000
+ 73647253 × 900000 resulting in 66282527700000
+ 73647253 × 9000000 that equals 662825277000000
+ 73647253 × 30000000 yielding 2209417590000000

= 2944933589478036
