We're going to solve 1992 multiplied by 9790
1992 × 9790 = 9790 × (1992)
+ 9790 × 2 yielding 19580
+ 9790 × 90 which equals 881100
+ 9790 × 900 that results in 8811000
+ 9790 × 1000 giving us 9790000

= 19501680
