A cargo ship is sailing between A and B. If it takes 6 hours to travel along the current and 10 hours to travel against the current, and the speed of the ship is known to be 14 kilometers per hour in still water, then the speed of the water flow is How many?
一条货轮在甲、乙两地之间航行，如果顺水行完全程要6小时，逆水行完全程要10小时，且已知船在静水中的速度为每小时14千米，那么水流的速度是多少？
<gadget id="calculator">10 * 14</gadget>
<output>140</output>

<gadget id="calculator">6 * 14</gadget>
<output>84</output>

<gadget id="calculator">140 - 84</gadget>
<output>56</output>

<gadget id="calculator">6 + 10</gadget>
<output>16</output>

<gadget id="calculator">56 / 16</gadget>
<output>7/2 = around 3.5</output>

<result>7/2 = around 3.5</result>