Alright, let's work through 5785 times 1137 step by step
5785 × 1137 = 1137 × (5785)
+ 1137 × 5 that equals 5685
+ 1137 × 80 that is equal 90960
+ 1137 × 700 that equals 795900
+ 1137 × 5000 that results in 5685000

= 6577545
