What is the quotient of 0.8 divided by the difference between 4.2 and 0.2? What is the correct column
0.8除以4.2与0.2的差，商是多少？正确列式是多少
<gadget id="calculator">4.2 - 0.2</gadget>
<output>4</output>

<gadget id="calculator">0.8 / 4</gadget>
<output>0.2</output>

<result>0.2</result>