The decimal point of a decimal is moved two places to the right, and the new number is 29.7 greater than the original decimal. What is the original decimal?
一个小数的小数点向右移动二位，新数比原来的小数大29.7，原来这个小数是多少？
<gadget id="calculator">100 - 1</gadget>
<output>99</output>

<gadget id="calculator">29.7 / 99</gadget>
<output>0.3</output>

<result>0.3</result>