Alright, let's work through 1545 times 6804 step by step
1545 × 6804 = 6804 × (1545)
+ 6804 × 5 what gives us 34020
+ 6804 × 40 that is equal 272160
+ 6804 × 500 what gives us 3402000
+ 6804 × 1000 producing 6804000

= 10512180
