We're going to solve 6781 multiplied by 7811
6781 × 7811 = 7811 × (6781)
+ 7811 × 1 producing 7811
+ 7811 × 80 that equals 624880
+ 7811 × 700 resulting in 5467700
+ 7811 × 6000 yielding 46866000

= 52966391
