For a pesticide, the ratio of liquid to water is 1:150. If 906 kg of pesticide is prepared, how many kg of liquid is needed? (Solve with ratio)
一种农药，药液与水的比是1：150，如果配制906千克的农药，药液需要多少千克？(用比例解)
<gadget id="calculator">150 + 1</gadget>
<output>151</output>

<gadget id="calculator">1 / 151</gadget>
<output>1/151 = around 0.006623</output>

<gadget id="calculator">906 * (1/151)</gadget>
<output>6</output>

<result>6</result>