The original price of a bicycle is 300 yuan. This year, the price of this bicycle is reduced by 10%. How much does this bicycle cost this year?
一辆自行车原价是300元，今年这种自行车降价10%，今年这辆自行车要多少钱？
<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">300 * (9/10)</gadget>
<output>270</output>

<result>270</result>