There are 10 students in the first group and 8 students in the second group. Both groups collected 12 kilograms of waste paper. How much less is each person in the first group collected than in the second group?
第一小组有10名同学，第二小组有8名同学，两组都收集了废纸12千克，第一小组平均每人比第二小组少收集多少千克？
<gadget id="calculator">12 / 8</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">12 / 10</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(3/2) - (6/5)</gadget>
<output>3/10 = around 0.3</output>

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