Alright, let's work through 6737 times 2578 step by step
6737 × 2578 = 2578 × (6737)
+ 2578 × 7 producing 18046
+ 2578 × 30 yielding 77340
+ 2578 × 700 that is equal 1804600
+ 2578 × 6000 yielding 15468000

= 17367986
