If the upper base of a right-angled trapezoid is 1 cm, the area is 6 square centimeters, and the lengths of the upper base, lower base and height of the trapezoid are all unequal whole centimeters, how many trapezoids meet this condition?
如果直角梯形的上底是1厘米，面积是6平方厘米，且梯形上底、下底和高的长度均为不相等的整厘米数，则符合此条件的梯形有多少种．
<gadget id="calculator">1 + 5</gadget>
<output>6</output>

<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6 * (1/3)</gadget>
<output>2</output>

<result>2</result>