If the area of a triangle is 1.6 square decimeters and the height is 0.4 decimeters, what is the length of its base?
一个三角形的面积是1.6平方分米，高是0.4分米，那么它的底边长是多少．
<gadget id="calculator">2 / 0.4</gadget>
<output>5</output>

<gadget id="calculator">1.6 * 5</gadget>
<output>8</output>

<result>8</result>