The lengths of the two sides of a right triangle are 3cm and 4cm respectively, and the length of the hypotenuse is 5cm. What is the height of the hypotenuse of the right triangle in cm?
一个直角三角形的两条直角边长分别是3cm和4cm，斜边长5cm，这个直角三角形斜边上的高是多少cm
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">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>