We're going to solve 7978 multiplied by 9859
7978 × 9859 = 9859 × (7978)
+ 9859 × 8 producing 78872
+ 9859 × 70 that results in 690130
+ 9859 × 900 that is equal 8873100
+ 9859 × 7000 which equals 69013000

= 78655102
