Alright, let's work through 6040 times 3709 step by step
6040 × 3709 = 3709 × (6040)
+ 3709 × 0 giving us 0
+ 3709 × 40 resulting in 148360
+ 3709 × 000 that equals 0
+ 3709 × 6000 resulting in 22254000

= 22402360
