If you move the decimal point of a number one place to the right, the resulting number is 6.3 more than the original number. What is the original number?
把一个数的小数点向右移动一位，得到的数比原数多6.3，原数是多少？
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">6.3 / 9</gadget>
<output>0.7</output>

<result>0.7</result>