No problem, we've got 2553 and 8426 to multiply
2553 × 8426 = 8426 × (2553)
+ 8426 × 3 that results in 25278
+ 8426 × 50 that results in 421300
+ 8426 × 500 what gives us 4213000
+ 8426 × 2000 resulting in 16852000

= 21511578
