No problem, we've got 2157 and 6565 to multiply
2157 × 6565 = 6565 × (2157)
+ 6565 × 7 which equals 45955
+ 6565 × 50 what gives us 328250
+ 6565 × 100 what gives us 656500
+ 6565 × 2000 that is equal 13130000

= 14160705
