No problem, we've got 1821 and 5047 to multiply
1821 × 5047 = 5047 × (1821)
+ 5047 × 1 resulting in 5047
+ 5047 × 20 giving us 100940
+ 5047 × 800 yielding 4037600
+ 5047 × 1000 that is equal 5047000

= 9190587
