No problem, we've got 7173 and 4329 to multiply
7173 × 4329 = 4329 × (7173)
+ 4329 × 3 giving us 12987
+ 4329 × 70 giving us 303030
+ 4329 × 100 giving us 432900
+ 4329 × 7000 that results in 30303000

= 31051917
