The protein content in milk accounts for about 33%, how many grams of protein are contained in 100 grams of milk.
牛奶中蛋白质的含量约占33%，100克牛奶中含蛋白质多少克．
<gadget id="calculator">33 / 100</gadget>
<output>33/100 = around 0.33</output>

<gadget id="calculator">100 * (33/100)</gadget>
<output>33</output>

<result>33</result>