Solve the equation: 4((4/5)+x)=8.
解方程：4((4/5)+x)=8．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">4 * (4/5)</gadget>
<output>16/5 = around 3.2</output>

<gadget id="calculator">8 - (16/5)</gadget>
<output>24/5 = around 4.8</output>

<gadget id="calculator">(24/5) / 4</gadget>
<output>6/5 = around 1.2</output>

<result>6/5 = around 1.2</result>