There is a right triangle, the ratio of the lengths of the three sides is 3:4:5, the sum of the two sides is known to be 5.6 decimeters, find the height on the third side.
有一个直角三角形，三条边长的比是3：4：5，已知两条直角边的和是5.6分米，求第三条边上的高．
<gadget id="calculator">3 + 4</gadget>
<output>7</output>

<gadget id="calculator">5.6 / 7</gadget>
<output>0.8</output>

<gadget id="calculator">0.8 * 3</gadget>
<output>2.4</output>

<gadget id="calculator">5.6 - 2.4</gadget>
<output>3.2</output>

<gadget id="calculator">3.2 / 2</gadget>
<output>1.6</output>

<gadget id="calculator">0.8 * 3 * 1.6</gadget>
<output>3.84</output>

<gadget id="calculator">3 / 3</gadget>
<output>1</output>

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

<gadget id="calculator">0.8 * 1 * 5 * (1/2)</gadget>
<output>2</output>

<gadget id="calculator">3.84 / 2</gadget>
<output>1.92</output>

<result>1.92</result>