On Mother's Day, Yanyan does housework for her mother, choosing vegetables for 6 minutes, washing vegetables for 5 minutes, washing rice for 2 minutes, cooking rice for 20 minutes (rice cooker), cutting vegetables for 4 minutes, and cooking for 6 minutes. How many minutes does it take for her to finish these things? ．
母亲节时燕燕为妈妈做家务，择菜6分钟，洗菜5分钟，淘米2分钟，煮饭20分钟(电饭煲)，切菜4分钟，炒菜6分钟，她做完这些事情至少要多少分钟．
<gadget id="calculator">6 - 20</gadget>
<output>-14</output>

<gadget id="calculator">2 + 20 + 6 + 5 + 4 + (-14)</gadget>
<output>23</output>

<result>23</result>