If a number is multiplied by (1/2) and (1/3), the sum of the multiplied products is (5/12). What is this number?
一个数分别与(1/2)、(1/3)相乘，乘得的积相加和是(5/12)，这个数是多少．
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/2) + (1/3)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(5/12) / (5/6)</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>