We're going to solve 7721 multiplied by 1011
7721 × 1011 = 1011 × (7721)
+ 1011 × 1 giving us 1011
+ 1011 × 20 that is equal 20220
+ 1011 × 700 giving us 707700
+ 1011 × 7000 what gives us 7077000

= 7805931
