A scientific research institute gives bonuses to employees. If each person pays 250 yuan, there will be a shortfall of 180 yuan. If each person pays 200 yuan, there will be a surplus of 320 yuan. So how much bonus can each person get on average.
某科研所给员工发奖金，每人发250元则缺180元，每人发200元则余320元，那么平均每人刚好能发奖金多少元．
<gadget id="calculator">320 + 180</gadget>
<output>500</output>

<gadget id="calculator">250 - 200</gadget>
<output>50</output>

<gadget id="calculator">500 / 50</gadget>
<output>10</output>

<gadget id="calculator">250 * 10</gadget>
<output>2_500</output>

<gadget id="calculator">2_500 - 180</gadget>
<output>2_320</output>

<gadget id="calculator">2_320 / 10</gadget>
<output>232</output>

<result>232</result>