If you transport 10,000 bottles, you can get a shipping fee of 50 yuan for every 200 bottles. If one is damaged, no shipping fee will be paid. Someone gets a total shipping fee of 2,475 yuan. How many bottles did he damage?
搬运10000只瓶子，每200只可得运费50元，损坏一只不给运费，某人共得运费2475元，问他损坏了几只瓶子？
<gadget id="calculator">10_000 / 200</gadget>
<output>50</output>

<gadget id="calculator">50 * 50</gadget>
<output>2_500</output>

<gadget id="calculator">2_500 - 2_475</gadget>
<output>25</output>

<gadget id="calculator">25 / 50</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 200</gadget>
<output>100</output>

<result>100</result>