The area of a right triangle is 18 square centimeters, the height is 3 centimeters, what is the base in centimeters?
一个直角三角形的面积是18平方厘米，高是3厘米，它的底是多少厘米．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">18 * (2/3)</gadget>
<output>12</output>

<result>12</result>