No problem, we've got 2821 and 4904 to multiply
2821 × 4904 = 4904 × (2821)
+ 4904 × 1 that equals 4904
+ 4904 × 20 that results in 98080
+ 4904 × 800 which equals 3923200
+ 4904 × 2000 which equals 9808000

= 13834184
