8+22=30, 54-30=24, what is the comprehensive formula?
8+22=30，54-30=24，列成综合算式是多少．
<gadget id="calculator">8 + 22</gadget>
<output>30</output>

<gadget id="calculator">54 - 30</gadget>
<output>24</output>

<result>24</result>