a/b=7...6, when b is the smallest, what is a equal to?
a/b=7…6，当b最小时，a等于多少．
<gadget id="calculator">6 + 1</gadget>
<output>7</output>

<gadget id="calculator">7 * 7</gadget>
<output>49</output>

<gadget id="calculator">49 + 6</gadget>
<output>55</output>

<result>55</result>