In order to reward the students who participated in the event, the organizing committee of "Shiing-shen Chern Math Week" bought a total of 2010 math stories and math culture books. The math culture books are 4 times the number of math story books. So how many math stories are there?
"陈省身数学周"组委会为了奖励参加活动的学生，买来数学故事数和数学文化书共2010本，其中数学文化书是数学故事书的4倍，那么数学故事数有多少本．
<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">2_010 / 5</gadget>
<output>402</output>

<result>402</result>