No problem, we've got 2389 and 3172 to multiply
2389 × 3172 = 3172 × (2389)
+ 3172 × 9 that results in 28548
+ 3172 × 80 that is equal 253760
+ 3172 × 300 giving us 951600
+ 3172 × 2000 producing 6344000

= 7577908
