Alright, let's work through 1945 times 626 step by step
1945 × 626 = 626 × (1945)
+ 626 × 5 giving us 3130
+ 626 × 40 that equals 25040
+ 626 × 900 which equals 563400
+ 626 × 1000 giving us 626000

= 1217570
