The side of the pyramid is a triangle, the height of this side is 66m, and the area is 3960m**2. What is the length of the base of this side.
金字塔的侧面是一个三角形，这个侧面的高是66m，面积是3960m**2．这个侧面的底边长是多少米．
<gadget id="calculator">2 / 66</gadget>
<output>1/33 = around 0.030303</output>

<gadget id="calculator">3_960 * (1/33)</gadget>
<output>120</output>

<result>120</result>