What is the remainder when the quotient of 0.3/0.4 is 0.7
0.3/0.4的商为0.7时，余数是多少
<gadget id="calculator">0.4 * 0.7</gadget>
<output>0.28</output>

<gadget id="calculator">0.3 - 0.28</gadget>
<output>0.02</output>

<result>0.02</result>