Mom bought back some chocolates for Big Fatty and Little Fatty, Big Fatty took (1/2) of it and there was 3 more pieces, Xiaopang took the rest (1/2) and 3 more, just right Take it all. How many pieces of chocolate did Fatty and Fatty take respectively?
妈妈给大胖、小胖小哥俩买回一些巧克力，大胖拿走了其中的(1/2)还多3块，小胖拿走了剩余的(1/2)也多3块，正好全部拿完．大胖和小胖分别拿走了多少块巧克力？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">3 * (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">3 - (3/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">3 + (3/2)</gadget>
<output>9/2 = around 4.5</output>

<gadget id="calculator">(1/2) * (1/2)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/2) - (1/2)</gadget>
<output>0</output>

<gadget id="calculator">(1/4) + 0</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(9/2) / (1/4)</gadget>
<output>18</output>

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

<gadget id="calculator">18 * (1/3)</gadget>
<output>6</output>

<gadget id="calculator">6 + 3</gadget>
<output>9</output>

<gadget id="calculator">18 - 9</gadget>
<output>9</output>

<result>9</result>