The clothing store purchased 25 sets of large and small children's clothing. The large size is 60 yuan per set, and the small size is 40 yuan per set. How much is the total payment? Answer in two ways.
服装店购进大号与小号儿童服装各25套．大号每套60元，小号每套40元，一共应付多少元？用两种方法解答．
<gadget id="calculator">25 * 60</gadget>
<output>1_500</output>

<gadget id="calculator">25 * 40</gadget>
<output>1_000</output>

<gadget id="calculator">1_500 + 1_000</gadget>
<output>2_500</output>

<result>2_500</result>