Classes A, B, and C of the sixth grade in a certain school donate money to the disaster area. The money donated by Class A is (2/3) of the other two classes, and the amount donated by Class B is the sum of the other two classes (2/5) ), if Class A and Class B donated a total of 144 yuan, how much did Class C donate?
某学校六年级甲、乙、丙三个班向灾区捐款，甲班捐的钱数是其余两班的(2/3)，乙班捐的钱数是其余两班之和的(2/5)，如果甲班与乙班共捐款144元，丙班捐款了多少元？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">144 * (2/5)</gadget>
<output>288/5 = around 57.6</output>

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">(2/7) + (2/5)</gadget>
<output>24/35 = around 0.685714</output>

<gadget id="calculator">(288/5) / (24/35) / (2/5)</gadget>
<output>210</output>

<gadget id="calculator">210 - 144</gadget>
<output>66</output>

<result>66</result>