A parallelogram with a base of 8 decimeters has the same area as a square with sides of 4 decimeters. What is the height of this parallelogram in decimeters?
一个底8分米的平行四边形，它的面积与一个边长4分米的正方形的面积相等．这个平行四边形的高是多少分米？
<gadget id="calculator">4 / 8</gadget>
<output>1/2 = around 0.5</output>

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

<result>2</result>