No problem, we've got 5604 and 6591 to multiply
5604 × 6591 = 6591 × (5604)
+ 6591 × 4 what gives us 26364
+ 6591 × 00 giving us 0
+ 6591 × 600 that equals 3954600
+ 6591 × 5000 that is equal 32955000

= 36935964
