Xiaohong has 40 red goldfish and 23 black goldfish at home. The total number of flower goldfish and black goldfish is 5 more than that of red goldfish. How many flower goldfish are there?
小红家养红金鱼40条，黑金鱼23条，养得花金鱼和黑金鱼的总数比红金鱼多5条，养花金鱼多少条？
<gadget id="calculator">5 - 23</gadget>
<output>-18</output>

<gadget id="calculator">40 + (-18)</gadget>
<output>22</output>

<result>22</result>