Move the decimal point of a decimal three places to the left, and then two places to the right, and the result is 3.5. What is the original number?
把一个小数的小数点先向左移动三位，再向右移动两位，结果得到3.5，那么原数是多少．
<gadget id="calculator">1_000 / 100</gadget>
<output>10</output>

<gadget id="calculator">3.5 * 10</gadget>
<output>35</output>

<result>35</result>