The protein content in milk accounts for about 3.3%, how many grams of protein are contained in 100 grams of milk.
牛奶中蛋白质的含量约占3.3%，100克牛奶中含蛋白质多少克．
<gadget id="calculator">3.3 / 100</gadget>
<output>0.033</output>

<gadget id="calculator">100 * 0.033</gadget>
<output>3.3</output>

<result>3.3</result>