How much less is the difference between the two numbers 13.07 and 5.49 than the sum?
13.07与5.49这两个数，它们的差比和少多少？
<gadget id="calculator">13.07 + 5.49</gadget>
<output>18.56</output>

<gadget id="calculator">13.07 - 5.49</gadget>
<output>7.58</output>

<gadget id="calculator">18.56 - 7.58</gadget>
<output>10.98</output>

<result>10.98</result>