Divide 1 ton of coal into 100 parts, of which 15 parts are equivalent to 1 ton of coal
把1吨煤平均分成100份，其中15份相当于1吨煤的多少
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<result>3/20 = around 0.15</result>