No problem, we've got 3171 and 2479 to multiply
3171 × 2479 = 2479 × (3171)
+ 2479 × 1 what gives us 2479
+ 2479 × 70 that results in 173530
+ 2479 × 100 that results in 247900
+ 2479 × 3000 what gives us 7437000

= 7860909
