Li Hua bought 5 spinning tops for 75 yuan, and Liu Ye bought one for 12 yuan for the same spinning top. How much more expensive is each spinning top that Li Hua bought than Liu Ye's?
李华买5个陀螺用了75元，同样的陀螺，刘烨买一个用了12元，李华买的每个陀螺比刘烨的贵多少元？
<gadget id="calculator">75 / 5</gadget>
<output>15</output>

<gadget id="calculator">15 - 12</gadget>
<output>3</output>

<result>3</result>