The sum of 6 times x plus 5 0.8 is 4.6.
x的6倍加上5个0.8的和是4.6．
<gadget id="calculator">0.8 * 5</gadget>
<output>4</output>

<gadget id="calculator">4.6 - 4</gadget>
<output>0.6</output>

<gadget id="calculator">0.6 / 6</gadget>
<output>0.1</output>

<result>0.1</result>