The area of a triangle is 7.2 square decimeters, the base is 4.5 decimeters, how many decimeters is the height? (solution with equation)
一个三角形的面积是7.2平方分米，底是4.5分米，高是多少分米？(用方程解答)
<gadget id="calculator">4.5 / 2</gadget>
<output>2.25</output>

<gadget id="calculator">7.2 / 2.25</gadget>
<output>3.2</output>

<result>3.2</result>