We're going to solve 1971 multiplied by 6912
1971 × 6912 = 6912 × (1971)
+ 6912 × 1 that is equal 6912
+ 6912 × 70 yielding 483840
+ 6912 × 900 which equals 6220800
+ 6912 × 1000 what gives us 6912000

= 13623552
