Alright, let's work through 1771 times 331 step by step
1771 × 331 = 331 × (1771)
+ 331 × 1 that results in 331
+ 331 × 70 resulting in 23170
+ 331 × 700 that equals 231700
+ 331 × 1000 that is equal 331000

= 586201
