A basket of fresh fish weighs 56 kilograms in total. Half of the fresh fish is sold first, and then half of the remaining fresh fish is sold. At this time, the weight of the basket is still 17 kilograms. How much does the basket of fresh fish weigh?
一筐鲜鱼，连筐共重56千克，先卖出鲜鱼的一半，再卖出剩下鲜鱼的一半，这时连筐还重17千克，原来这筐鲜鱼重多少千克？
<gadget id="calculator">56 - 17</gadget>
<output>39</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * (1/2)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) + (1/2)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">39 / (3/4)</gadget>
<output>52</output>

<result>52</result>