No problem, we've got 4520 and 1156 to multiply
4520 × 1156 = 1156 × (4520)
+ 1156 × 0 yielding 0
+ 1156 × 20 that is equal 23120
+ 1156 × 500 that results in 578000
+ 1156 × 4000 that equals 4624000

= 5225120
