No problem, we've got 7835 and 5187 to multiply
7835 × 5187 = 5187 × (7835)
+ 5187 × 5 what gives us 25935
+ 5187 × 30 what gives us 155610
+ 5187 × 800 that results in 4149600
+ 5187 × 7000 that is equal 36309000

= 40640145
