Alright, let's work through 5637 times 1604 step by step
5637 × 1604 = 1604 × (5637)
+ 1604 × 7 that is equal 11228
+ 1604 × 30 that equals 48120
+ 1604 × 600 what gives us 962400
+ 1604 × 5000 giving us 8020000

= 9041748
