Alright, let's work through 1550 times 1139 step by step
1550 × 1139 = 1139 × (1550)
+ 1139 × 0 producing 0
+ 1139 × 50 producing 56950
+ 1139 × 500 which equals 569500
+ 1139 × 1000 that is equal 1139000

= 1765450
