The fifth grade students collected 56 kilograms of tree species, and the sixth grade collected more (4/7) than the fifth grade. How many kilograms of tree species were collected in the sixth grade?
五年级同学收集树种56千克，六年级收集的比五年级多(4/7)，六年级收集树种多少千克？
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">1 + (4/7)</gadget>
<output>11/7 = around 1.571429</output>

<gadget id="calculator">56 * (11/7)</gadget>
<output>88</output>

<result>88</result>