Subtract the product of 0.8 and 5 from 4.08, divide the difference by 0.4, what is the result?
4.08减去0.8与5的积，所得的差除以0.4，结果是多少？
<gadget id="calculator">0.8 * 5</gadget>
<output>4</output>

<gadget id="calculator">4.08 - 4</gadget>
<output>0.08</output>

<gadget id="calculator">0.08 / 0.4</gadget>
<output>0.2</output>

<result>0.2</result>