When the quotient of 2.4/0.18 is an integer, what is the remainder?
2.4/0.18除到商是整数时，余数是多少．
<gadget id="calculator">0.18 * 13</gadget>
<output>2.34</output>

<gadget id="calculator">2.4 - 2.34</gadget>
<output>0.06</output>

<result>0.06</result>