A cement factory produces 3600 tons of cement in January, the output in February is equivalent to that in January (8/9), and the output in February is that in March (4/5). How many tons of cement was produced in March?
某水泥厂一月份生产水泥3600吨，二月份的产量相当于一月份的(8/9)，二月份的产量又是三月份的(4/5)．三月份生产水泥多少吨？
<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(8/9) / (4/5)</gadget>
<output>10/9 = around 1.111111</output>

<gadget id="calculator">3_600 * (10/9)</gadget>
<output>4_000</output>

<result>4_000</result>