No problem, we've got 7971 and 2684 to multiply
7971 × 2684 = 2684 × (7971)
+ 2684 × 1 giving us 2684
+ 2684 × 70 that results in 187880
+ 2684 × 900 giving us 2415600
+ 2684 × 7000 what gives us 18788000

= 21394164
