No problem, we've got 1045 and 4013 to multiply
1045 × 4013 = 4013 × (1045)
+ 4013 × 5 what gives us 20065
+ 4013 × 40 that results in 160520
+ 4013 × 000 that is equal 0
+ 4013 × 1000 giving us 4013000

= 4193585
