Alright, let's work through 1602 times 1139 step by step
1602 × 1139 = 1139 × (1602)
+ 1139 × 2 that equals 2278
+ 1139 × 00 which equals 0
+ 1139 × 600 resulting in 683400
+ 1139 × 1000 what gives us 1139000

= 1824678
