We're going to solve 7840 multiplied by 2740
7840 × 2740 = 2740 × (7840)
+ 2740 × 0 that is equal 0
+ 2740 × 40 that equals 109600
+ 2740 × 800 resulting in 2192000
+ 2740 × 7000 that results in 19180000

= 21481600
