The three sides of a right angle are 3 cm, 4 cm, and 5 cm respectively, so what is the corresponding height of the triangle whose base is 5 cm?
一个直角形的三条边分别是3厘米、4厘米、5厘米，那么底边是5厘米的三角形对应的高是多少厘米．
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">4 * (3/2)</gadget>
<output>6</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">6 * (2/5)</gadget>
<output>12/5 = around 2.4</output>

<result>12/5 = around 2.4</result>