restaurant uses 360 tons of water in January, the water consumption in February is January (9/10), and the water consumption in March is February (5/9), how many tons of water is used in March?
某饭店一月份用水360吨，二月份的用水量是一月份的(9/10)，三月份的用水量是二月份的(5/9)，三月份用水多少吨？
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">360 * (9/10) * (5/9)</gadget>
<output>180</output>

<result>180</result>