When Tutu came home from school, his mother said, "I'll cook your favorite braised fish for dinner. But you have to help mother plan how to arrange the time so that dinner can be served as soon as possible." (8 minutes for killing and washing fish, 10 minutes for cooking fish Minutes, wash rice for 2 minutes, and cook rice for 15 minutes.) At least how many minutes are needed to start the meal as soon as possible.
图图放学回家，妈妈说："晚餐我给你做最爱吃的红烧鱼．不过你要帮妈妈设计一下，怎样安排时间才能尽早开饭．"(杀鱼、洗鱼8分钟，烧鱼10分钟，淘米2分钟，煮米饭15分钟．)至少需要多少分钟才能尽早开饭．
<gadget id="calculator">2 + 10 + 8</gadget>
<output>20</output>

<result>20</result>