No problem, we've got 7421 and 3800 to multiply
7421 × 3800 = 3800 × (7421)
+ 3800 × 1 that is equal 3800
+ 3800 × 20 which equals 76000
+ 3800 × 400 what gives us 1520000
+ 3800 × 7000 giving us 26600000

= 28199800
