certain village transported 3600 kg of chemical fertilizers, of which (2/5) was distributed to 9 professional households. How many kilograms per household on average?
某村运来化肥3600千克，其中的(2/5)分给9个专业户．平均每户分多少千克？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) / 9</gadget>
<output>2/45 = around 0.044444</output>

<gadget id="calculator">3_600 * (2/45)</gadget>
<output>160</output>

<result>160</result>