The base of a triangle is 3 cm and the area is 12 cm2. Find the height of the triangle (please use the equation and column method to solve the problem)
一个三角形的底是3厘米，面积是12平方厘米．求三角形的高(请分别使用方程和列式方法解题)
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">12 * (2/3)</gadget>
<output>8</output>

<result>8</result>