Alright, let's work through 4037 times 6535 step by step
4037 × 6535 = 6535 × (4037)
+ 6535 × 7 that results in 45745
+ 6535 × 30 which equals 196050
+ 6535 × 000 resulting in 0
+ 6535 × 4000 which equals 26140000

= 26381795
