Qingqing Fruit Supermarket sold 850 baskets of apples in the first half of the month and 650 baskets of apples in the second half of the month, each weighing 25 kilograms. How many kilograms of apples did Qingqing Fruit Supermarket sell in total this month?
青青水果超市上半月卖出850筐苹果，下半月卖出650筐苹果，每筐苹果重25千克．青青水果超市这个月一共卖出多少千克苹果？
<gadget id="calculator">850 + 650</gadget>
<output>1_500</output>

<gadget id="calculator">1_500 * 25</gadget>
<output>37_500</output>

<result>37_500</result>