No problem, we've got 41983690 and 78402677 to multiply
41983690 × 78402677 = 78402677 × (41983690)
+ 78402677 × 0 what gives us 0
+ 78402677 × 90 yielding 7056240930
+ 78402677 × 600 giving us 47041606200
+ 78402677 × 3000 that is equal 235208031000
+ 78402677 × 80000 resulting in 6272214160000
+ 78402677 × 900000 which equals 70562409300000
+ 78402677 × 1000000 what gives us 78402677000000
+ 78402677 × 40000000 giving us 3136107080000000

= 3291633686338130
