Alright, let's work through 1807 times 1534 step by step
1807 × 1534 = 1534 × (1807)
+ 1534 × 7 yielding 10738
+ 1534 × 00 that is equal 0
+ 1534 × 800 producing 1227200
+ 1534 × 1000 that results in 1534000

= 2771938
