School breakfast is matched with bread, eggs and milk according to 2:1:3 to ensure the nutrition of students. Li Hui ate about 420 grams of breakfast at school today. How many grams of bread did he eat this morning?
学校早餐按2：1：3搭配面包、鸡蛋和牛奶，以保证学生的营养．李辉今天在学校吃了大约420克的早餐，他今天早上大约吃面包多少克？
<gadget id="calculator">2 + 1 + 3</gadget>
<output>6</output>

<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">420 * (1/2)</gadget>
<output>210</output>

<result>210</result>