What is (1/12) of (2/5) of 60?
60的(2/5)的(1/12)是多少？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">60 * (2/5) * (1/12)</gadget>
<output>2</output>

<result>2</result>