No problem, we've got 3854140 and 40212016 to multiply
3854140 × 40212016 = 40212016 × (3854140)
+ 40212016 × 0 that results in 0
+ 40212016 × 40 giving us 1608480640
+ 40212016 × 100 which equals 4021201600
+ 40212016 × 4000 producing 160848064000
+ 40212016 × 50000 that is equal 2010600800000
+ 40212016 × 800000 yielding 32169612800000
+ 40212016 × 3000000 that equals 120636048000000

= 154982739346240
