The quotient of 6.79/0.15 is 45, what is the remainder?
6.79/0.15的商是45，余数是多少．
<gadget id="calculator">0.15 * 45</gadget>
<output>6.75</output>

<gadget id="calculator">6.79 - 6.75</gadget>
<output>0.04</output>

<result>0.04</result>