A fraction is divided once with 2, and divided twice with 3 to get (2/3). What is the original fraction?
一个分数用2约分了一次，用3约分了两次后是(2/3)，原来的分数是多少？
<gadget id="calculator">2 * 2 * 3 * 3</gadget>
<output>36</output>

<gadget id="calculator">3 * 2 * 3 * 3</gadget>
<output>54</output>

<gadget id="calculator">36 / 54</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>