The area of a triangle is 6.28 square meters, the height is 3.14 meters, what is its base in meters?
一个三角形的面积是6.28平方米，高是3.14米，它的底是多少米．
<gadget id="calculator">2 / 3.14</gadget>
<output>0.636943</output>

<gadget id="calculator">6.28 * 0.636943</gadget>
<output>4.000002</output>

<result>4.000002</result>