No problem, we've got 4612 and 1821 to multiply
4612 × 1821 = 1821 × (4612)
+ 1821 × 2 that results in 3642
+ 1821 × 10 that results in 18210
+ 1821 × 600 that results in 1092600
+ 1821 × 4000 yielding 7284000

= 8398452
