Xiaojian and Xiaokang share lucky money of 72 yuan, and Xiaojian's money is Xiaokang's (3/5). In the "Hope Project" donation, they donated all the New Year's money. How much more does Xiaokang donate than Xiaojian?
小建和小康共有压岁钱72元，小建的钱数是小康的(3/5)．在"希望工程"捐款中，他俩把压岁钱全部捐出．小康比小建多捐多少元？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 + (3/5)</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">72 / (8/5)</gadget>
<output>45</output>

<gadget id="calculator">72 - 45</gadget>
<output>27</output>

<gadget id="calculator">45 - 27</gadget>
<output>18</output>

<result>18</result>