There are 3200 hens in the chicken farm, and there are more roosters than hens (1/8). How many roosters are there?
养鸡场有母鸡3200只，公鸡比母鸡多(1/8)，公鸡有多少只？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 + (1/8)</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">3_200 * (9/8)</gadget>
<output>3_600</output>

<result>3_600</result>