Mom comes home from get off work to cook, wash rice for 5 minutes, rice cooker for 25 minutes, wash vegetables for 5 minutes, chop vegetables for 5 minutes, and cook vegetables for 15 minutes.
妈妈下班回家做饭，淘米5分钟，电饭煲煮饭25分钟，洗菜5分钟，切菜5分钟，炒菜15分钟，妈妈做好饭菜至少需要多少分钟．
<gadget id="calculator">5 + 5 + 5 + 15</gadget>
<output>30</output>

<result>30</result>