The Star Store shipped 20 pieces each of Sprite and Nutrition Express, 24 bottles of Sprite each, and 15 bottles of Nutrition Express, how many more bottles of Sprite than Nutrition Express?
星星小商店运进雪碧和营养快线各20件，雪碧每件24瓶，营养快线每件15瓶，运来的雪碧比营养快线多多少瓶？
<gadget id="calculator">20 * 24</gadget>
<output>480</output>

<gadget id="calculator">20 * 15</gadget>
<output>300</output>

<gadget id="calculator">480 - 300</gadget>
<output>180</output>

<result>180</result>