Use 60 cm long iron wire to form a right triangle. The length ratio of the three sides of this triangle is 5:4:3. What is the height of the hypotenuse in cm?
用60厘米长的铁丝围成一个直角三角形，这个三角形三条边长度比试5：4：3，斜边上的高是多少厘米．
<gadget id="calculator">5 + 4 + 3</gadget>
<output>12</output>

<gadget id="calculator">3 / 12</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">4 / 12</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">60 * (5/12)</gadget>
<output>25</output>

<gadget id="calculator">2 / 25</gadget>
<output>2/25 = around 0.08</output>

<gadget id="calculator">60 * (1/4) * 60 * (1/3) * (1/2) * (2/25)</gadget>
<output>12</output>

<result>12</result>