The area of a triangle is 6.3 square decimeters, the height is 0.7 decimeters, what is its base?
一个三角形的面积是6.3平方分米，高是0.7分米，它的底是多少分米．
<gadget id="calculator">2 / 0.7</gadget>
<output>2.857143</output>

<gadget id="calculator">6.3 * 2.857143</gadget>
<output>18.000001</output>

<result>18.000001</result>