No problem, we've got 7149 and 2850 to multiply
7149 × 2850 = 2850 × (7149)
+ 2850 × 9 resulting in 25650
+ 2850 × 40 giving us 114000
+ 2850 × 100 resulting in 285000
+ 2850 × 7000 what gives us 19950000

= 20374650
