Solve the equation: 0.5x+4*0.25=1.25(x+0.2), then x=how much.
解方程：0.5x+4*0.25=1.25(x+0.2)，则x=多少．
<gadget id="calculator">4 * 0.25</gadget>
<output>1</output>

<gadget id="calculator">1.25 * 0.2</gadget>
<output>0.25</output>

<gadget id="calculator">1 - 0.25</gadget>
<output>0.75</output>

<gadget id="calculator">1.25 - 0.5</gadget>
<output>0.75</output>

<gadget id="calculator">0.75 / 0.75</gadget>
<output>1</output>

<result>1</result>