What is the sum of (3/5) of (7/12) and (5/12) of (3/5)?
(7/12)的(3/5)与(3/5)的(5/12)相加，和是多少？
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(7/12) * (3/5)</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">(3/5) * (5/12)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(7/20) + (1/4)</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>