1.05*(3.8-(4/5))/6.3．
1.05*(3.8-(4/5))/6.3．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">3.8 - (4/5)</gadget>
<output>3</output>

<gadget id="calculator">3 / 6.3</gadget>
<output>0.47619</output>

<gadget id="calculator">1.05 * 0.47619</gadget>
<output>0.5</output>

<result>0.5</result>