In the first quarter, steel plants produced a total of 355,600 tons of steel, 99,800 tons in January, and 120,200 tons in February. How many tons of steel were produced in March?
钢铁厂第一季度共生产钢材35.56万吨，一月份生产了9.98万吨，二月份生产了12.02万吨，三月份生产钢材多少万吨？
<gadget id="calculator">35.56 - 9.98 - 12.02</gadget>
<output>13.56</output>

<result>13.56</result>