The base of a triangle is 6 cm, the height is X cm, and the area of the triangle is 30 cm2. X=how many centimeters.
一个三角形的底是6厘米，高是X厘米，三角形面积是30平方厘米．X=多少厘米．
<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">30 * (1/3)</gadget>
<output>10</output>

<result>10</result>