There is a three-digit number, add a decimal point after one of its digits, and then add it to the three-digit number, the sum is 962.5, find the three-digit number.
有一个三位数，在它的某位数字后加上一个小数点，再和这个三位数相加，其和为962.5，求这个三位数．
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/10) + 1</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">962.5 / (11/10)</gadget>
<output>875</output>

<result>875</result>