Mr. Zhang and Mr. Li like to collect stamps. Mr. Zhang has 480 stamps, which is exactly 6 less than (3/4) times the total number of Mr. Li’s stamps. How many stamps does Mr. Li have? (solution by equation)
张老师和李老师爱好集邮，张老师有480枚邮票，正好比李老师邮票总数的(3/4)倍少6枚，李老师有多少枚邮票？(用方程解)
<gadget id="calculator">480 + 6</gadget>
<output>486</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">486 / (3/4)</gadget>
<output>648</output>

<result>648</result>