Solve the equation: x-20%+5x-4=60%
解方程：x-20%+5x-4=60%
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(1/5) + 4 + (3/5)</gadget>
<output>24/5 = around 4.8</output>

<gadget id="calculator">1 + 5</gadget>
<output>6</output>

<gadget id="calculator">(24/5) / 6</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>