0.47/0.4, quotient 1, what is the remainder
0.47/0.4，商1，余数是多少
<gadget id="calculator">0.4 * 1</gadget>
<output>0.4</output>

<gadget id="calculator">0.47 - 0.4</gadget>
<output>0.07</output>

<result>0.07</result>