No problem, we've got 42471030 and 39452343 to multiply
42471030 × 39452343 = 39452343 × (42471030)
+ 39452343 × 0 yielding 0
+ 39452343 × 30 yielding 1183570290
+ 39452343 × 000 what gives us 0
+ 39452343 × 1000 that equals 39452343000
+ 39452343 × 70000 that is equal 2761664010000
+ 39452343 × 400000 that is equal 15780937200000
+ 39452343 × 2000000 producing 78904686000000
+ 39452343 × 40000000 that is equal 1578093720000000

= 1675581643123290
