How does mother arrange for the least amount of time? How much time is needed? Kill fish, wash fish for 5 minutes, cook fish for 10 minutes, wash rice for 2 minutes, and cook rice for 15 minutes.
妈妈怎样安排所用的时间最少？需要多少时间？杀鱼、洗鱼5分钟，烧鱼10分钟，淘米2分钟，做米饭15分钟．
<gadget id="calculator">2 + 15</gadget>
<output>17</output>

<result>17</result>