A decimal, after removing the decimal point, is 2.7 more than the original number, what is the original decimal?
一个小数，去掉小数点后，比原来的数多2.7，原来的小数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">2.7 / 9</gadget>
<output>0.3</output>

<result>0.3</result>