Xiaodong arranged some 5 jiao coins evenly around the periphery of a square paper, and the number of coins on each side was equal. The total face value of these coins was 12 yuan. How many coins can be placed on each side at most.
小东把一些5角的硬币平均排列在一张正方形纸的周边，每边的硬币数相等，这些硬币的总面值是12元．每边最多能放多少枚硬币．
<gadget id="calculator">12 / 0.5</gadget>
<output>24</output>

<gadget id="calculator">24 / 4</gadget>
<output>6</output>

<gadget id="calculator">6 + 1</gadget>
<output>7</output>

<result>7</result>