Solve the equation: 0.12*5-(1/2)x=(3/5).
解方程：0.12*5-(1/2)x=(3/5)．
<gadget id="calculator">0.12 * 5</gadget>
<output>0.6</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">0.6 - (3/5)</gadget>
<output>0</output>

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

<gadget id="calculator">0 / (1/2)</gadget>
<output>0</output>

<result>0</result>