The perimeter of an equilateral triangle is (9/10), what is its side length?
一个等边三角形的周长是(9/10)，它的边长是多少？
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">(9/10) / 3</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>