The sum of two numbers is 9.37, and one of the addends is 2.34, which is less than the other.
两个数的和是9.37，其中一个加数是2.34，比另一个加数少多少．
<gadget id="calculator">9.37 - 2.34</gadget>
<output>7.03</output>

<gadget id="calculator">7.03 - 2.34</gadget>
<output>4.69</output>

<result>4.69</result>