The Grey's bought several chickens at a sale. John took 5 more of the chickens than Mary took. Ray took 6 chickens less than Mary. If Ray took 10 chickens, how many more chickens did John take than Ray?
Mary took 10+6 = 
<gadget id="calculator">10+6</gadget>
<output>16</output>
16 chickens.
John took 16+5 = 
<gadget id="calculator">16+5</gadget>
<output>21</output>
21 chickens.
John took 21-10 = 
<gadget id="calculator">21-10</gadget>
<output>11</output>
11 more chickens than Ray.

<result>11</result>