Put 5 on the right side of a two-digit number to get a three-digit number. This three-digit number is 437 greater than the original two-digit number. What is the original two-digit number?
将5放到一个两位数的右端，得到一个三位数，这个三位数比原来的两位数大437，问原来的两位数是多少？
<gadget id="calculator">437 - 5</gadget>
<output>432</output>

<gadget id="calculator">432 / 9</gadget>
<output>48</output>

<result>48</result>