If the perimeter of an equilateral triangle is 60 cm and the height is 17.3 cm, what is the area of the triangle in square centimeters?
一个等边三角形的周长是60厘米，高是17.3厘米，那么这个三角形的面积是多少平方厘米．
<gadget id="calculator">60 / 3</gadget>
<output>20</output>

<gadget id="calculator">17.3 / 2</gadget>
<output>8.65</output>

<gadget id="calculator">20 * 8.65</gadget>
<output>173</output>

<result>173</result>