Alright, let's work through 6494 times 1335 step by step
6494 × 1335 = 1335 × (6494)
+ 1335 × 4 that is equal 5340
+ 1335 × 90 producing 120150
+ 1335 × 400 giving us 534000
+ 1335 × 6000 that is equal 8010000

= 8669490
