(3/14)*(7-4/((2/15)+(2/3))).
(3/14)*(7-4/((2/15)+(2/3)))．
<gadget id="calculator">3 / 14</gadget>
<output>3/14 = around 0.214286</output>

<gadget id="calculator">2 / 15</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/15) + (2/3)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">4 / (4/5)</gadget>
<output>5</output>

<gadget id="calculator">7 - 5</gadget>
<output>2</output>

<gadget id="calculator">(3/14) * 2</gadget>
<output>3/7 = around 0.428571</output>

<result>3/7 = around 0.428571</result>