We're going to solve 1921 multiplied by 7976
1921 × 7976 = 7976 × (1921)
+ 7976 × 1 that is equal 7976
+ 7976 × 20 which equals 159520
+ 7976 × 900 that equals 7178400
+ 7976 × 1000 that equals 7976000

= 15321896
