When multiplying two numbers, if one factor increases by 3, the product increases by 27; if the other factor decreases by 4, the product decreases by 24. What is the original product of the two factors?
两个数相乘，如果一个因数增加3，积就增加27；如果另一个因数减少4，积就减少24，原来两个因数的积是多少．
<gadget id="calculator">27 / 3</gadget>
<output>9</output>

<gadget id="calculator">24 / 4</gadget>
<output>6</output>

<gadget id="calculator">9 * 6</gadget>
<output>54</output>

<result>54</result>