A triangle and a square have the same area, and the base of the triangle and the sides of the square are both 4 decimeters, what is the height of the triangle in decimeters?
一个三角形和一个正方形面积相等，已知三角形的底和正方形的边长都是4分米，则三角形的高是多少分米．
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">4 * 4 * (1/2)</gadget>
<output>8</output>

<result>8</result>