Some pictures were divided among children A, B and C. A took away (1/3) more than 6 pieces, B took away (2/5) less than 4 pieces, and C took away 18 pieces. There are a total of these pictures How many? ．
一些画片，分别分给甲乙丙三个孩子，甲拿走了(1/3)多6张，乙拿走了(2/5)少4经张，丙拿走了18张，这些画片一共有多少张？．
<gadget id="calculator">18 - 4</gadget>
<output>14</output>

<gadget id="calculator">14 + 6</gadget>
<output>20</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (2/5) - (1/3)</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">20 / (4/15)</gadget>
<output>75</output>

<result>75</result>