When Xiao Ming calculates a number multiplied by 0.39, it is regarded as the number multiplied by 0.93, and the difference between the result and the correct product is 8.64. What is the correct product.
小明计算一个数乘0.39时，看成这个数乘0.93了，结果与正确的积相差8.64．正确的积是多少．
<gadget id="calculator">0.93 - 0.39</gadget>
<output>0.54</output>

<gadget id="calculator">8.64 / 0.54</gadget>
<output>16</output>

<gadget id="calculator">0.39 * 16</gadget>
<output>6.24</output>

<result>6.24</result>