△/24=10...☆, what is the maximum value of △?
△/24=10…☆，△最大是多少．
<gadget id="calculator">24 * 10</gadget>
<output>240</output>

<gadget id="calculator">24 - 1</gadget>
<output>23</output>

<gadget id="calculator">240 + 23</gadget>
<output>263</output>

<result>263</result>