No problem, we've got 40603417 and 84376493 to multiply
40603417 × 84376493 = 84376493 × (40603417)
+ 84376493 × 7 yielding 590635451
+ 84376493 × 10 giving us 843764930
+ 84376493 × 400 yielding 33750597200
+ 84376493 × 3000 which equals 253129479000
+ 84376493 × 00000 resulting in 0
+ 84376493 × 600000 yielding 50625895800000
+ 84376493 × 0000000 what gives us 0
+ 84376493 × 40000000 that results in 3375059720000000

= 3425973930276581
