No problem, we've got 4037 and 9965 to multiply
4037 × 9965 = 9965 × (4037)
+ 9965 × 7 what gives us 69755
+ 9965 × 30 which equals 298950
+ 9965 × 000 producing 0
+ 9965 × 4000 what gives us 39860000

= 40228705
