There are 3,600 people going to the zoo, among which adults account for (2/5), and the number of adults is equivalent to the number of children (3/4). How many children are there in the zoo?
有3600人到动物园玩，其中成人占(2/5)，成人的人数相当于小孩人数的(3/4)，到动物园的小孩有多少人？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(2/5) / (3/4)</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">3_600 * (8/15)</gadget>
<output>1_920</output>

<result>1_920</result>