Xiaoxin spent (2/3) of all his money in the first store, and spent the rest (1/3) in the second store. At this time, he still had 4 yuan left. How much money does Xiaoxin have?
小新在第一家商店花了他全部钱的(2/3)，在第二家商店花了余下的(1/3)，这时他还剩下4元钱．小新原来有多少钱？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">4 / (2/3) / (1/3)</gadget>
<output>18</output>

<result>18</result>