Moving 400 tea bottles, if they arrive safely, one can get a handling fee of 1 yuan; if one is broken. Not only will the shipping fee not be paid, but the compensation will be 11 yuan. Now after all the tea bottles have arrived, the total shipping cost is 340 yuan. How many tea bottles were broken?
搬运400只茶瓶，若安全运到，一只可得搬运费1元；若打碎一只．则不但不给运费，还要赔偿11元．现在全部运到后共得运费340元，问打碎了多少只茶瓶．
<gadget id="calculator">400 * 1</gadget>
<output>400</output>

<gadget id="calculator">400 - 340</gadget>
<output>60</output>

<gadget id="calculator">1 + 11</gadget>
<output>12</output>

<gadget id="calculator">60 / 12</gadget>
<output>5</output>

<result>5</result>