The number A is 6 times more than the number B, and the decimal point of the number A is moved two places to the left to be 0.3. Find the number B.
甲数比乙数的2倍多6，甲数的小数点向左移动两位后是0.3，求乙数．
<gadget id="calculator">0.3 * 100</gadget>
<output>30</output>

<gadget id="calculator">30 - 6</gadget>
<output>24</output>

<gadget id="calculator">24 / 2</gadget>
<output>12</output>

<result>12</result>