The area of a trapezoid is 76 square meters, the lower base is 12 meters, and the upper base is 8 meters. What is the height of the trapezoid?
一个梯形的面积是76平方米，下底是12米，上底是8米，梯形的高是多少米．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 12</gadget>
<output>6</output>

<gadget id="calculator">(1/2) * 8</gadget>
<output>4</output>

<gadget id="calculator">6 + 4</gadget>
<output>10</output>

<gadget id="calculator">76 / 10</gadget>
<output>38/5 = around 7.6</output>

<result>38/5 = around 7.6</result>