Xinxing Primary School donated 350 yuan to the disaster-stricken areas. The first class of six years donated 350 yuan, and the second class of six years donated more than the first class of six years (1/7).
新兴小学向困难灾区捐款，六年一班捐了350元，六年二班比六年一班多捐了(1/7)，六年二班向困难灾区捐了多少钱？
<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">350 * (8/7)</gadget>
<output>400</output>

<result>400</result>