The school bought 30 small basketballs from the store, the sixth grade gets (2/5), the fifth grade gets the sixth grade (5/6). Which grade has more points? How many more?
学校从商店买来30只小篮球，六年级分得(2/5)，五年级分得六年级的(5/6)．哪个年级分得多？多多少只？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">30 * (2/5)</gadget>
<output>12</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">30 * (2/5) * (5/6)</gadget>
<output>10</output>

<gadget id="calculator">12 - 10</gadget>
<output>2</output>

<result>2</result>