No problem, we've got 7931 and 5075 to multiply
7931 × 5075 = 5075 × (7931)
+ 5075 × 1 giving us 5075
+ 5075 × 30 what gives us 152250
+ 5075 × 900 that results in 4567500
+ 5075 × 7000 producing 35525000

= 40249825
