The chemical fertilizer factory produces 600 tons of chemical fertilizers in January, 15% more in February than in January, and 20% more in March than in February. How many tons of chemical fertilizers are produced in March?
化肥厂一月份生产化肥600吨，二月份比一月份增产15%，三月份比二月份增产20%，三月份生产化肥多少吨．
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 + (3/20)</gadget>
<output>23/20 = around 1.15</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">600 * (23/20) * (6/5)</gadget>
<output>828</output>

<result>828</result>