If the quotient of 2.28/0.7 is 3, what is the remainder
如果2.28/0.7得到的商是3，那么余数是多少
<gadget id="calculator">0.7 * 3</gadget>
<output>2.1</output>

<gadget id="calculator">2.28 - 2.1</gadget>
<output>0.18</output>

<result>0.18</result>