If a number is multiplied by 38 instead of 28, the product is 250 more than the original product. Find the number.

A logistics manager tracks inventory using the following expression: 45 crates with 32 units each, minus an adjustment quantity (?), plus 62 boxes with 55 units each, results in a total stock equivalent to 70 pallets with 65 units each. What is the value of the adjustment quantity (?)?