(7/4)/(1/3)+15/(4/3)-(3/2).
(7/4)/(1/3)+15/(4/3)-(3/2)．
<gadget id="calculator">7 / 4</gadget>
<output>7/4 = around 1.75</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(7/4) / (1/3)</gadget>
<output>21/4 = around 5.25</output>

<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">15 / (4/3)</gadget>
<output>45/4 = around 11.25</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(45/4) - (3/2)</gadget>
<output>39/4 = around 9.75</output>

<gadget id="calculator">(21/4) + (39/4)</gadget>
<output>15</output>

<result>15</result>