After moving the decimal point of a number one place to the right, the obtained number is 33.3 larger than the original number. What is the original number?
把一个数的小数点向右移动一位后，得到的数比原来的数大了33.3，原来的数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

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

<result>3.7</result>