A hen lays eggs very regularly. It always lays an egg two days in a row, that is, it lays an egg on one day and rests on the next day to reproduce another egg. It is known that no eggs were laid on New Year's Day in 2013. By the time of Children's Day in 2013, this one How many eggs did the chicken lay in total?
一只母鸡生蛋很有规律，总是连着两天生一个蛋，就是生一天蛋休息一天再生一个蛋，已知2013年元旦这天没有生蛋，到2013年的六一儿童节这只鸡一共生了多少只蛋．
<gadget id="calculator">31 + 28 + 31 + 30 + 31 + 1</gadget>
<output>152</output>

<gadget id="calculator">152 / 2</gadget>
<output>76</output>

<result>76</result>