Choose three different numbers x, y, and z from 1 to 9 to form a three-digit number xyz. What is the minimum value of ((xyz)/(x+y+z))?
由1～9中选取三个相异的数字x，y，z组成一个三位数xyz，请问((xyz)/(x+y+z))的最小值为何？
<gadget id="calculator">10 + 8</gadget>
<output>18</output>

<gadget id="calculator">9 / 18</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">10 + (1/2)</gadget>
<output>21/2 = around 10.5</output>

<result>21/2 = around 10.5</result>