Simple calculation: 18/(7/6)+6*(1/7)+(16/7)/(1/6).
简算：18/(7/6)+6*(1/7)+(16/7)/(1/6)．
<gadget id="calculator">7 / 6</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">18 / (7/6)</gadget>
<output>108/7 = around 15.428571</output>

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">6 * (1/7)</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">16 / 7</gadget>
<output>16/7 = around 2.285714</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(16/7) / (1/6)</gadget>
<output>96/7 = around 13.714286</output>

<gadget id="calculator">(108/7) + (6/7) + (96/7)</gadget>
<output>30</output>

<result>30</result>