Move the decimal point of a number three places to the left, and then two places to the right, and the result is 100.5, so what is the original number?
把一个数的小数点先向左移动三位，再向右移动两位，结果是100.5，那么这个数原来是多少．
<gadget id="calculator">1_000 / 100</gadget>
<output>10</output>

<gadget id="calculator">100.5 * 10</gadget>
<output>1_005</output>

<result>1_005</result>