The fruit company purchased 25 tons of apples and shipped 9 tons away. How many tons are left? How many times can the rest be transported by a 4-ton truck?
果品公司收购苹果25吨，运走了9吨，还剩多少吨？剩下的用一辆载重4吨的卡车来运，几次才能运完？
<gadget id="calculator">25 - 9</gadget>
<output>16</output>

<gadget id="calculator">16 / 4</gadget>
<output>4</output>

<result>4</result>