Alright, let's work through 1445 times 5776 step by step
1445 × 5776 = 5776 × (1445)
+ 5776 × 5 which equals 28880
+ 5776 × 40 which equals 231040
+ 5776 × 400 which equals 2310400
+ 5776 × 1000 that results in 5776000

= 8346320
