In the division formula ☆/6=12...△, what is the largest ☆.
在除法算式☆/6=12…△中，☆最大是多少．
<gadget id="calculator">12 * 6</gadget>
<output>72</output>

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

<gadget id="calculator">72 + 5</gadget>
<output>77</output>

<result>77</result>