There are two numbers, the sum of which is 252, and the number at the end of one of the numbers is "0". If this "0" is removed, it is exactly equal to half of the other number. What is the product of multiplying these two numbers?
有两个数，它们相加的和是252，其中一个数末位上的数字是"0"．如果去掉这个"0"，就正好等于另一个数的一半．那么这两个数相乘的积是多少．
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">252 / 6</gadget>
<output>42</output>

<gadget id="calculator">252 - 42</gadget>
<output>210</output>

<gadget id="calculator">42 * 210</gadget>
<output>8_820</output>

<result>8_820</result>