Alright, let's work through 7137 times 54 step by step
7137 × 54 = 54 × (7137)
+ 54 × 7 giving us 378
+ 54 × 30 that is equal 1620
+ 54 × 100 that results in 5400
+ 54 × 7000 that is equal 378000

= 385398
