roughly triangular slope has an area of about 45 square meters and a bottom of 15 meters. What is the height of this slope?
一块近似三角形的坡地面积约是45平方米，底是15米．这块坡地的高是多少米？
<gadget id="calculator">2 / 15</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">45 * (2/15)</gadget>
<output>6</output>

<result>6</result>