A Volkswagen 4S store sold 420 Volkswagen brand cars in May this year, 20% more than in April. How many cars were sold in April?
某大众汽车销售4S店，今年五月份销售大众品牌汽车420辆，比四月份多销售20%，四月份销售汽车多少辆？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">420 / (6/5)</gadget>
<output>350</output>

<result>350</result>