It is known that the upper base of a trapezoid is 3 cm, the lower base is 5 cm larger than the upper base, and the area is 22 square centimeters. What is the height of the trapezoid in cm?
已知一个梯形的上底是3厘米，下底比上底多5厘米，面积是22平方厘米，这个梯形的高是多少厘米．
<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">3 + 8</gadget>
<output>11</output>

<gadget id="calculator">2 / 11</gadget>
<output>2/11 = around 0.181818</output>

<gadget id="calculator">22 * (2/11)</gadget>
<output>4</output>

<result>4</result>