0.49/0.4, quotient 1.2, what is the remainder
0.49/0.4，商1.2，余数是多少
<gadget id="calculator">0.4 * 1.2</gadget>
<output>0.48</output>

<gadget id="calculator">0.49 - 0.48</gadget>
<output>0.01</output>

<result>0.01</result>