Xiao Ming comes home from school in the afternoon to cook. It takes 4 minutes to wash the rice, 25 minutes to cook the rice, 6 minutes to wash the vegetables, 4 minutes to chop the vegetables, and 12 minutes to stir-fry. If different pots and stoves are used for cooking and cooking, How many minutes does it take at least for Xiao Ming to prepare all the meals.
小明下午放学回家做饭，淘米要4分钟，煮饭要25分钟，洗菜要6分钟，切菜要4分钟，炒菜要12分钟，如果煮饭和做菜用不同的锅和炉子，小明要把饭菜都做好最少用多少分钟．
<gadget id="calculator">4 + 25</gadget>
<output>29</output>

<result>29</result>