A factory originally produced 1,800 parts per day, which is 10% less than the current one. How many parts are produced per day now?
一个工厂每天原来生产1800个零件，比现在少10%，现在每天生产多少个？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">1_800 / (9/10)</gadget>
<output>2_000</output>

<result>2_000</result>