Alright, let's work through 6820 times 1087 step by step
6820 × 1087 = 1087 × (6820)
+ 1087 × 0 that is equal 0
+ 1087 × 20 giving us 21740
+ 1087 × 800 giving us 869600
+ 1087 × 6000 that equals 6522000

= 7413340
