The transportation company has to transport 200 pieces of glass, and the shipping fee for each piece is 0.6 yuan. If one piece is damaged, in addition to not being able to get the shipping fee, the compensation is 4 yuan. After the delivery, the actual shipping cost is 106.2 yuan. During transportation, the transportation company damaged several pieces of glass.
运输公司要运200块玻璃，每块运费0.6元，如破损一块，除得不到运费外，还要赔偿4元．运到后实得运费106.2元．运输时运输公司破损了几块玻璃．
<gadget id="calculator">200 * 0.6</gadget>
<output>120</output>

<gadget id="calculator">120 - 106.2</gadget>
<output>13.8</output>

<gadget id="calculator">4 + 0.6</gadget>
<output>4.6</output>

<gadget id="calculator">13.8 / 4.6</gadget>
<output>3</output>

<result>3</result>