A circular swimming pool with a radius of 200 meters is to be built in a stadium. Build a flag hole every 8 meters around the swimming pool, how many flag holes are built in total?
某体育场内要修建一个圆形游泳池，半径为200米．在游泳池周围每隔8米修一个插旗孔，共修多少个插旗孔？
<gadget id="calculator">2 * 3.14 * 200</gadget>
<output>1_256</output>

<gadget id="calculator">1_256 / 8</gadget>
<output>157</output>

<result>157</result>