No problem, we've got 41921254 and 40547231 to multiply
41921254 × 40547231 = 40547231 × (41921254)
+ 40547231 × 4 what gives us 162188924
+ 40547231 × 50 producing 2027361550
+ 40547231 × 200 that is equal 8109446200
+ 40547231 × 1000 which equals 40547231000
+ 40547231 × 20000 resulting in 810944620000
+ 40547231 × 900000 what gives us 36492507900000
+ 40547231 × 1000000 that results in 40547231000000
+ 40547231 × 40000000 that is equal 1621889240000000

= 1699790769747674
