Alright, let's work through 6788 times 1540 step by step
6788 × 1540 = 1540 × (6788)
+ 1540 × 8 that equals 12320
+ 1540 × 80 that is equal 123200
+ 1540 × 700 that is equal 1078000
+ 1540 × 6000 giving us 9240000

= 10453520
