What is the difference between 56.3 minus 6.21 and 6.09?
56.3减6.21与6.09的差，差是多少？
<gadget id="calculator">6.21 - 6.09</gadget>
<output>0.12</output>

<gadget id="calculator">56.3 - 0.12</gadget>
<output>56.18</output>

<result>56.18</result>