There are 30 boxes of bananas and 4 boxes of apples in the fruit store, and each box weighs 25 kilograms. How many kilograms of fruit does the fruit store have in total?
水果店有30箱香蕉和4箱苹果，每箱的重量都是25千克，水果店一共有水果多少千克？
<gadget id="calculator">30 * 25</gadget>
<output>750</output>

<gadget id="calculator">4 * 25</gadget>
<output>100</output>

<gadget id="calculator">750 + 100</gadget>
<output>850</output>

<result>850</result>