Calculate 0.19/0.03, when the quotient is 6, what is the remainder.
计算0.19/0.03，当商是6时，余数是多少．
<gadget id="calculator">0.03 * 6</gadget>
<output>0.18</output>

<gadget id="calculator">0.19 - 0.18</gadget>
<output>0.01</output>

<result>0.01</result>