In the sports meeting, the total score of the sixth grade is 64 points, which is 1/7 more than that of the fifth grade. What is the total score of the fifth grade?
运动会上，六年级的总分是64分，比五年级多(1/7)，五年级的总分是多少？
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 + (1/7)</gadget>
<output>8/7 = around 1.142857</output>

<gadget id="calculator">64 / (8/7)</gadget>
<output>56</output>

<result>56</result>