A food factory processes a cake, and each cake requires 2.4 grams of colored cream and 5.7 grams of white cream. This kind of cake processed one day shared 22.8 grams of white cream. Please calculate how many grams of colored cream were used in total?
食品厂加工一种蛋糕，每个蛋糕需要用2.4克彩色奶油和5.7克白色奶油．某天加工的这种蛋糕共用了白色奶油22.8克，请你算出一共用了多少克彩色奶油？
<gadget id="calculator">22.8 / 5.7</gadget>
<output>4</output>

<gadget id="calculator">4 * 2.4</gadget>
<output>9.6</output>

<result>9.6</result>