The fruit warehouse shipped 100 kilograms of a fruit with a water content of 90%. After a week, it was tested and found that the water content had dropped to 80%. What is the total weight of this batch of fruit now?
水果仓库运来含水量达90%的一种水果100千克，一周后再测，发现含水量降到了80%，现在这批水果的总重量是多少千克
<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">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/10) / (1/5)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">100 * (1/2)</gadget>
<output>50</output>

<result>50</result>