The school launched a charity donation activity. Class 61 donated 490 yuan, which was 1/6 more than Class 62. How much did Class 62 donate?
学校开展爱心捐款活动，六一班捐款490元，比六二班多捐(1/6)，六二班捐款多少元？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 + (1/6)</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">490 / (7/6)</gadget>
<output>420</output>

<result>420</result>