The elder sister has 3.60 yuan, and after giving the younger brother 1.48 yuan, the amount of money is equal to that of the younger brother. How much is my younger brother?
姐姐有3.60元，给弟弟1.48元后，就和弟弟的钱数相等了．弟弟原有多少元．
<gadget id="calculator">3.6 - 1.48 - 1.48</gadget>
<output>0.64</output>

<result>0.64</result>