What is the remainder when the quotient of 0.1/0.3 is 0.3
当0.1/0.3的商是0.3的时候，余数是多少
<gadget id="calculator">0.3 * 0.3</gadget>
<output>0.09</output>

<gadget id="calculator">0.1 - 0.09</gadget>
<output>0.01</output>

<result>0.01</result>