No problem, we've got 5621 and 4970 to multiply
5621 × 4970 = 4970 × (5621)
+ 4970 × 1 that is equal 4970
+ 4970 × 20 what gives us 99400
+ 4970 × 600 resulting in 2982000
+ 4970 × 5000 resulting in 24850000

= 27936370
