No problem, we've got 2573 and 7900 to multiply
2573 × 7900 = 7900 × (2573)
+ 7900 × 3 that is equal 23700
+ 7900 × 70 what gives us 553000
+ 7900 × 500 that results in 3950000
+ 7900 × 2000 what gives us 15800000

= 20326700
