The fishery company wants to sell 4200 kilograms of fresh fish, 300 kilograms in the morning and the rest (1/4) in the afternoon. How many kilograms of fish are sold in the afternoon?
水产公司要出售4200千克鲜鱼，上午卖了300千克，下午卖了剩下的(1/4)，下午卖出多少千克鱼？
<gadget id="calculator">4_200 - 300</gadget>
<output>3_900</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3_900 * (1/4)</gadget>
<output>975</output>

<result>975</result>