No problem, we've got 7835 and 4071 to multiply
7835 × 4071 = 4071 × (7835)
+ 4071 × 5 that is equal 20355
+ 4071 × 30 that equals 122130
+ 4071 × 800 resulting in 3256800
+ 4071 × 7000 which equals 28497000

= 31896285
