A right triangle, the sum of the lengths of the two sides is 14 decimeters, their ratio is 3:4, the length of the hypotenuse is 10 decimeters, what is the height of the hypotenuse?
一个直角三角形，两条直角边的长度之和是14分米，它们的比是3：4，斜边长10分米，斜边上的高是多少分米．
<gadget id="calculator">3 + 4</gadget>
<output>7</output>

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">14 * (3/7)</gadget>
<output>6</output>

<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">14 * (4/7)</gadget>
<output>8</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">24 * (1/5)</gadget>
<output>24/5 = around 4.8</output>

<result>24/5 = around 4.8</result>