Andrew saved $$\frac{1}{4}$$ of his salary in a bank. He gave $$\frac{2}{3}$$ of the remainder to his wife and his parents. The ratio of the amount that his wife got to the amount that his parents got was 3 : 7. He spent the rest of the money. <hr> How much more money did he give to his parents than his wife? <br> <input min="0" type="number" id ="imp6pg051q9b_1" class="lineinput" placeholder="?" />