Xiao Ming comes home from school at noon and cooks noodles by himself. There are the following steps: 1. Wash the pot and fill it with water for 2 minutes; 2. Wash vegetables for 3 minutes; 3. Prepare noodles and seasonings for 2 minutes; It takes 3 minutes to cook noodles and stir-fry vegetables in boiling water. Xiao Ming wants to cook the noodles, at least how many minutes will it take
小明中午放学回家自己煮面条吃，有下面几道工序：1洗锅盛水2分钟；2洗菜3分钟；3准备面条及佐料2分钟；4用锅把水烧开7分钟；5用烧开的水煮面条、炒菜要3分钟．小明要将面条煮好，至少要用多少分钟
<gadget id="calculator">2 + 7 + 3</gadget>
<output>12</output>

<result>12</result>