Each kilogram of Crystal Fuji apples is 16 yuan, and my mother buys 10 kilograms of Red Fuji apples for 100 yuan, and gets back 20 yuan. How many times is the price per kilogram of Crystal Fuji apples higher than that of Red Fuji apples?
每千克水晶富士苹果16元，妈妈拿100元买10千克红富士苹果，找回20元．每千克水晶富士苹果的价钱是红富士苹果的多少倍？
<gadget id="calculator">100 - 20</gadget>
<output>80</output>

<gadget id="calculator">80 / 10</gadget>
<output>8</output>

<gadget id="calculator">16 / 8</gadget>
<output>2</output>

<result>2</result>