There are 360 lilies, and roses are 10% less than lilies. How many roses are there?
百合花有360朵，玫瑰花比百合花少10%，玫瑰花有多少？
<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">360 * (9/10)</gadget>
<output>324</output>

<result>324</result>