The base of a triangle is a decimeter, the height is h decimeters, and the area is S square decimeters. Write the formula for finding the height of a triangle given the area and base. If a=2.5, s=1.6, replace the formula to find the height of the triangle.
三角形的底是a分米，高是h分米，面积是S平方分米，写出已知面积和底，求三角形高的公式．若a=2.5，s=1.6，代人公式求三角形的高．
<gadget id="calculator">2 / 2.5</gadget>
<output>0.8</output>

<gadget id="calculator">1.6 * 0.8</gadget>
<output>1.28</output>

<result>1.28</result>