There are 33 rabbits in the zoo, the number of rabbits is 3/4 of the number of monkeys, and the number of monkeys is 2/3 of the number of swans. How many swans are there in the zoo?
动物园里有33只兔子，兔子的数量是猴子数量的(3/4)，猴子的数量是天鹅数量的(2/3)．动物园里天鹅有多少只？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">33 / (3/4) / (2/3)</gadget>
<output>66</output>

<result>66</result>