For a one-digit decimal, if the decimal point is removed, it will be 33.3 more than the original. What is the original decimal?
一个一位小数，如果把它的小数点去掉，就比原来多33.3，原来这个小数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">33.3 / 9</gadget>
<output>3.7</output>

<result>3.7</result>