The ratio of the number of teeth of two circular gears meshing with each other is 4:3, and there are 24 small gears, how many large gears are there?
两个相互咬合的圆形齿轮的齿数之比是4：3，其中小齿轮有24个，则大齿轮有多少个．
<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">24 / (4/3)</gadget>
<output>18</output>

<result>18</result>