The area of a triangle is equal to the area of a parallelogram. The base of the triangle is 12 decimeters and the height is 36 decimeters. The base of the parallelogram is 24 decimeters. How many decimeters is the height?
一个三角形的面积和一个平行四边形的面积相等，三角形的底是12分米，高是36分米，平行四边形的底是24分米，高是多少分米？
<gadget id="calculator">36 / 2 / 24</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">12 * (3/4)</gadget>
<output>9</output>

<result>9</result>