Solve the equation: 12+(x-12)*(1/5)+(1/2)x=x.
解方程：12+(x-12)*(1/5)+(1/2)x=x．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">12 * (1/5)</gadget>
<output>12/5 = around 2.4</output>

<gadget id="calculator">12 - (12/5)</gadget>
<output>48/5 = around 9.6</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/5) - (1/2)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(48/5) / (3/10)</gadget>
<output>32</output>

<result>32</result>