A square and a triangle have the same area. Given that the side length of the square is 6 decimeters and the base of the triangle is 9 decimeters, find the height of the triangle.
一个正方形和一个三角形的面积相等，已知正方形的边长是6分米，三角形的底是9分米，求三角形的高．
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">6 * 6 * (2/9)</gadget>
<output>8</output>

<result>8</result>