If a number moves its decimal point one bit to the right, it will be 3.6 larger than the original number. What is the original number?
一个数把它的小数点向右移动一位，就比原数大3.6，原来这个数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">3.6 / 9</gadget>
<output>0.4</output>

<result>0.4</result>