Alright, let's work through 7721 times 1670 step by step
7721 × 1670 = 1670 × (7721)
+ 1670 × 1 that results in 1670
+ 1670 × 20 giving us 33400
+ 1670 × 700 that equals 1169000
+ 1670 × 7000 that equals 11690000

= 12894070
