The perimeter of an equilateral triangle is 12 cm and the height is 3.46 cm, what is its area in square centimeters
一个等边三角形的周长是12厘米，高是3.46厘米，它的面积是多少平方厘米
<gadget id="calculator">12 / 3</gadget>
<output>4</output>

<gadget id="calculator">3.46 / 2</gadget>
<output>1.73</output>

<gadget id="calculator">4 * 1.73</gadget>
<output>6.92</output>

<result>6.92</result>