Alright, let's work through 1944 times 7662 step by step
1944 × 7662 = 7662 × (1944)
+ 7662 × 4 what gives us 30648
+ 7662 × 40 yielding 306480
+ 7662 × 900 giving us 6895800
+ 7662 × 1000 that equals 7662000

= 14894928
