Solve the equation: (15/(x))-(30/(1+(1/3)))=5.
解方程：(15/(x))-(30/(1+(1/3)))=5．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">15 * (1/3)</gadget>
<output>5</output>

<gadget id="calculator">15 + 5</gadget>
<output>20</output>

<gadget id="calculator">55 / 2</gadget>
<output>55/2 = around 27.5</output>

<gadget id="calculator">45 / 2</gadget>
<output>45/2 = around 22.5</output>

<gadget id="calculator">(55/2) - (45/2)</gadget>
<output>5</output>

<gadget id="calculator">5 * (1/3)</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">30 + 5 + (5/3)</gadget>
<output>110/3 = around 36.666667</output>

<gadget id="calculator">20 / (110/3)</gadget>
<output>6/11 = around 0.545455</output>

<result>6/11 = around 0.545455</result>