The transportation company transports the glass for the glass store, and the shipping fee for each piece is 0.8 yuan. If a piece is broken, in addition to not charging the shipping fee, it still needs to compensate for the loss of 8 yuan. Once, 1,500 pieces of glass were shipped, and the actual shipping cost was 1,094.4 yuan. How many pieces were broken.
运输公司为玻璃店运玻璃，每运一块得运费0.8元，如果打破一块，除不收运费外，尚需赔偿损失费8元．有一次运玻璃1500块，实得运费1094.4元，打破多少块．
<gadget id="calculator">1_500 * 0.8</gadget>
<output>1_200</output>

<gadget id="calculator">1_200 - 1_094.4</gadget>
<output>105.6</output>

<gadget id="calculator">8 + 0.8</gadget>
<output>8.8</output>

<gadget id="calculator">105.6 / 8.8</gadget>
<output>12</output>

<result>12</result>