A triangle has a side with a length of 9 cm and a height of 4 cm and a side with a length of 6 cm. What is the height of this side in cm?
三角形有一条边的长为9厘米，这条边上的高为4厘米，另一条边长6厘米，这条边上的高是多少厘米．
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">9 * 2 * (1/3)</gadget>
<output>6</output>

<result>6</result>