Mom cooks: wash rice for 1 minute, wash vegetables for 10 minutes, chop vegetables for 7 minutes, cook vegetables for 15 minutes, and cook rice in a rice cooker for 30 minutes. How many minutes does it take her to finish these things?
妈妈做饭：淘米1分钟，洗菜10分钟，切菜7分钟，炒菜15分钟，用电饭锅煮饭30分钟，她做完这些事至少要用多少分钟．
<gadget id="calculator">1 + 10 + 7 + 15</gadget>
<output>33</output>

<result>33</result>