Alright, let's work through 8342 times 1245 step by step
8342 × 1245 = 1245 × (8342)
+ 1245 × 2 what gives us 2490
+ 1245 × 40 yielding 49800
+ 1245 × 300 yielding 373500
+ 1245 × 8000 which equals 9960000

= 10385790
