The perimeter of an equilateral triangle is 6 cm, the height is 1.73 cm, what is the area in square centimeters?
等边三角形的周长是6厘米，高是1.73厘米，面积是多少平方厘米．
<gadget id="calculator">6 / 3</gadget>
<output>2</output>

<gadget id="calculator">1.73 / 2</gadget>
<output>0.865</output>

<gadget id="calculator">2 * 0.865</gadget>
<output>1.73</output>

<result>1.73</result>