After Xiaojun added a "0" at the end of a number, the number he got was 36 more than the original number. Do you know what the original number was?
小军在一个数的末尾添上一个"0"以后，得到的数比原数多36，你知道原数是多少吗？
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">36 / 9</gadget>
<output>4</output>

<result>4</result>