A factory used to produce 270 parts per day, which is 10% less than it is now. How many parts are produced per day now?
一个工厂原来每天生产零件270个，比现在每天少10%，现在每天生产零件多少个？
<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">270 / (9/10)</gadget>
<output>300</output>

<result>300</result>