There are four kinds of fruits in a basket, one apple among two fruits, one pear among four fruits, one banana among seven fruits, and six oranges, how many four kinds of fruits are there in total?
一只篮子里有四种水果，两个水果中有一个苹果，四个水果中有一个梨，七个水果中有一个香蕉，桔子有6个，四种水果共有多少个．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 - (1/2) - (1/4) - (1/7)</gadget>
<output>3/28 = around 0.107143</output>

<gadget id="calculator">6 / (3/28)</gadget>
<output>56</output>

<result>56</result>