Alright, let's work through 5425 times 3787 step by step
5425 × 3787 = 3787 × (5425)
+ 3787 × 5 producing 18935
+ 3787 × 20 that is equal 75740
+ 3787 × 400 that is equal 1514800
+ 3787 × 5000 that is equal 18935000

= 20544475
