A store entrusts Master Li to deliver 400 porcelain bowls, and the shipping fee for each bowl is 0.12 yuan. If a bowl is damaged, not only will the shipping fee not be paid, but also a compensation of 1.08 yuan will be paid. At the final checkout, Master Li will get a total shipping fee of 45.6 yuan. Ask Li How many bowls did the master break during delivery?
某商店委托李师傅运送400个瓷碗，每个碗运费0.12元，如果每破损1个碗，不但不给运费，还要赔偿1.08元，最后结帐，李师傅共得运费45.6元，问李师傅在运送过程中破损了几个碗？
<gadget id="calculator">400 * 0.12</gadget>
<output>48</output>

<gadget id="calculator">48 - 45.6</gadget>
<output>2.4</output>

<gadget id="calculator">0.12 + 1.08</gadget>
<output>1.2</output>

<gadget id="calculator">2.4 / 1.2</gadget>
<output>2</output>

<result>2</result>