A's number is 10.9, which is 1.15 less than B's number. What is the sum of A's and B's numbers?
甲数是10.9，比乙数少1.15，甲、乙两数的和是多少．
<gadget id="calculator">10.9 + 1.15 + 10.9</gadget>
<output>22.95</output>

<result>22.95</result>