No problem, we've got 7021 and 2191 to multiply
7021 × 2191 = 2191 × (7021)
+ 2191 × 1 what gives us 2191
+ 2191 × 20 that equals 43820
+ 2191 × 000 giving us 0
+ 2191 × 7000 what gives us 15337000

= 15383011
