Calculation: (2/15)*(17/72)/(1/30).
计算：(2/15)*(17/72)/(1/30)．
<gadget id="calculator">2 / 15</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">17 / 72</gadget>
<output>17/72 = around 0.236111</output>

<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">(17/72) / (1/30)</gadget>
<output>85/12 = around 7.083333</output>

<gadget id="calculator">(2/15) * (85/12)</gadget>
<output>17/18 = around 0.944444</output>

<result>17/18 = around 0.944444</result>