0.8*(1/4)*1.25*4.
0.8*(1/4)*1.25*4．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">0.8 * (1/4) * 1.25 * 4</gadget>
<output>1</output>

<result>1</result>