There is a group of ducks in the river, and there are also ducks on the bank. The ratio of the number of ducks in the water to the number of ducks on the bank is 7:1. Later, 16 ducks came to the bank from the water. At this time, the number of ducks in the water is 3/5 of the number of ducks on the bank. ), how many ducks are there in total?
河里有一群鸭子，岸上也有，水中与岸上鸭子只数的比是7：1，后来又有16只鸭子从水中上了岸，这时，水中鸭子的只数是岸上鸭子的(3/5)，一共有鸭子多少只？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(7/8) - (3/8)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">16 / (1/2)</gadget>
<output>32</output>

<result>32</result>