The two sides of a right triangle are 3 meters and 4 meters respectively, and the hypotenuse is 5 meters. What is the height of the hypotenuse in meters?
一个直角三角形两条直角边分别是3米和4米，斜边是5米，斜边上的高是多少米．
<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>