The base of a triangle is 12 decimeters and the height is 6 decimeters. The base of a parallelogram with the same area is 9 decimeters. What is the height in decimeters?
一个三角形底12分米，高6分米，与它面积相等的平行四边形的底是9分米，高是多少分米．
<gadget id="calculator">6 / 2 / 9</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12 * (1/3)</gadget>
<output>4</output>

<result>4</result>