Alright, let's work through 1872 times 777 step by step
1872 × 777 = 777 × (1872)
+ 777 × 2 producing 1554
+ 777 × 70 yielding 54390
+ 777 × 800 giving us 621600
+ 777 × 1000 that equals 777000

= 1454544
