The food factory produced 4.54 tons of biscuits in January. February produced 0.16 tons less than January and 0.57 tons less than March. How many tons of biscuits does this factory produce in March?
食品厂一月份生产饼干4.54吨．二月份比一月份少生产了0.16吨，比三月份少生产了0.57吨．这个厂三月份生产饼干多少吨？
<gadget id="calculator">4.54 - 0.16</gadget>
<output>4.38</output>

<gadget id="calculator">4.38 + 0.57</gadget>
<output>4.95</output>

<result>4.95</result>