Chef Li’s various procedures and time required for cooking braised fish are as follows: wash the fish for 3 minutes, cut the fish for 1 minute, wash the pot for 1 minute, heat the pot for 2 minutes, heat the oil for 4 minutes, and cook the fish for 15 minutes. Please arrange a most time-saving workflow for him, and calculate how long it will take.
厨师李师傅做红烧鱼各项程序及所需时间如下：洗鱼3分钟，切鱼1分钟，洗锅1分钟，烧热锅2分钟，油烧热4分钟，烧鱼15分钟．请你给他安排一个最省时的工作流程，并计算出这样共用多长时间．
<gadget id="calculator">1 + 2 + 4 + 15</gadget>
<output>22</output>

<result>22</result>