Mom is at work, so Dongdong can only cook for herself. It takes 2 minutes to wash the rice, 20 minutes to cook in the rice cooker, 8 minutes to heat up the dishes cooked by mother in the microwave, and 3 minutes to make a bowl of soup. How many minutes is the fastest time before Dongdong can eat.
妈妈上班，冬冬只能自己烧饭吃．淘米用2分钟，电饭锅煮饭20分钟，把妈妈烧好的菜用微波炉热一下要用8分钟，冲一碗汤3分钟．冬冬最快多少分钟才可以吃饭．
<gadget id="calculator">2 + 20</gadget>
<output>22</output>

<result>22</result>