No problem, we've got 4385 and 7139 to multiply
4385 × 7139 = 7139 × (4385)
+ 7139 × 5 that results in 35695
+ 7139 × 80 which equals 571120
+ 7139 × 300 which equals 2141700
+ 7139 × 4000 producing 28556000

= 31304515
