There are 260 students in grade five and grade six, and the number of students in grade five is equivalent to the number of grade six (6/7). How many students are there in grade five?
五年级和六年级共有学生260人，五年级学生人数相当于六年级人数的(6/7)，五年级有学生多少人？
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">1 + (6/7)</gadget>
<output>13/7 = around 1.857143</output>

<gadget id="calculator">260 / (13/7)</gadget>
<output>140</output>

<gadget id="calculator">260 - 140</gadget>
<output>120</output>

<result>120</result>