□/6=8…△, the maximum number that can be filled in □.
□/6=8…△，□里最大可填多少．
<gadget id="calculator">6 * 8</gadget>
<output>48</output>

<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">48 + 5</gadget>
<output>53</output>

<result>53</result>