The kindergarten teacher distributes some pictures to three classes A, B, and C, and everyone can get 6 pictures. If it is only allocated to class B, each person can get 15 cards. If it is only allocated to class C, each person can get 14 cards. Ask only class A, how many cards can each person get.
幼儿园的老师把一些画片分给A，B，C三个班，每人都能分到6张．如果只分给B班，每人能得15张，如果只分给C班，每人能得14张，问只分给A班，每人能得多少张．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">1 / 14</gadget>
<output>1/14 = around 0.071429</output>

<gadget id="calculator">(1/6) - (1/15) - (1/14)</gadget>
<output>1/35 = around 0.028571</output>

<gadget id="calculator">1 / (1/35)</gadget>
<output>35</output>

<result>35</result>