The Spring Festival is coming, and the candy store needs to configure a kind of gift candy. The mass ratio of toffee and chocolate required is 5:3. Now it is necessary to configure this kind of gift candy. There are 60 kilograms of toffee and chocolate, so when all the toffee is used up, how many kilograms of chocolate are left.
春节到了，糖果店要配置一种礼品糖，所需奶糖和巧克力的质量比为5：3．现要配置这种礼品糖，奶糖和巧克力各有60千克，那么当奶糖全部用完时，巧克力还剩多少千克．
<gadget id="calculator">60 / 5</gadget>
<output>12</output>

<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<gadget id="calculator">60 - 36</gadget>
<output>24</output>

<result>24</result>