The quotient of 8.72 divided by 4.36 minus 1.8, what is the difference?
8.72除以4.36的商减去1.8，差是多少？
<gadget id="calculator">8.72 / 4.36</gadget>
<output>2</output>

<gadget id="calculator">2 - 1.8</gadget>
<output>0.2</output>

<result>0.2</result>