2.7/0.5, what is the remainder when the quotient is 5
2.7/0.5，当商是5时，余数是多少
<gadget id="calculator">0.5 * 5</gadget>
<output>2.5</output>

<gadget id="calculator">2.7 - 2.5</gadget>
<output>0.2</output>

<result>0.2</result>