The number A is 29.7 more than the number B. If the decimal point of the number B is moved two places to the right, the two numbers are equal. What is the original number B?
甲数比乙数多29.7，如果把乙数的小数点向右移动两位，两数相等，乙数原来是多少．
<gadget id="calculator">100 - 1</gadget>
<output>99</output>

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

<result>0.3</result>