Alright, let's work through 3357 times 240 step by step
3357 × 240 = 240 × (3357)
+ 240 × 7 that is equal 1680
+ 240 × 50 resulting in 12000
+ 240 × 300 producing 72000
+ 240 × 3000 which equals 720000

= 805680
