The length of one side of the triangle is 2.7 decimeters, the height of this side is 1.8 decimeters, and the length of the other side is 8.1 decimeters, how many decimeters is the height of this side.
三角形的一条边长2.7分米，这条边上的高是1.8分米，另一条边长是8.1分米，这边上的高是多少分米．
<gadget id="calculator">1.8 / 2</gadget>
<output>0.9</output>

<gadget id="calculator">2 / 8.1</gadget>
<output>0.246914</output>

<gadget id="calculator">2.7 * 0.9 * 0.246914</gadget>
<output>0.600001</output>

<result>0.600001</result>