The fruit warehouse shipped 600 grams of a fruit with a water content of 90%, and now it is found that the water content has dropped to 70%. How many kilograms does this batch of fruit weigh now?
水果仓库运来含水量为90%的一种水果600克，现在再测发现含水量降低为70%．求这批水果现在重多少千克？
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">1 - (9/10)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">1 - (7/10)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(1/10) / (3/10)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">600 * (1/3)</gadget>
<output>200</output>

<result>200</result>