How much is 15 centimeters in 2 decimeters (fill in the simplest fraction)
15厘米是2分米的多少(填最简分数)
<gadget id="calculator">2 * 10</gadget>
<output>20</output>

<gadget id="calculator">15 / 20</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>