☆/6=15…△, when △ is the largest, what is ☆?
☆/6=15…△，当△最大时，☆是多少．
<gadget id="calculator">15 * 6</gadget>
<output>90</output>

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

<gadget id="calculator">90 + 5</gadget>
<output>95</output>

<result>95</result>