The sum of the two addends is 9.4, the sum is 2.24 more than one of the addends, what is the other addend
两个加数的和是9.4，和比其中一个加数多2.24，另一个加数是多少
<gadget id="calculator">9.4 - 2.24</gadget>
<output>7.16</output>

<gadget id="calculator">9.4 - 7.16</gadget>
<output>2.24</output>

<result>2.24</result>