Zhongbai Supermarket shipped 350 kilograms of cucumbers and tomatoes, of which the weight of cucumbers accounted for 3/7 of the total. How many kilograms of cucumbers were shipped?
中百超市运来黄瓜和西红柿350千克，其中黄瓜的重量占全部的(3/7)，运来的黄瓜多少千克？
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">350 * (3/7)</gadget>
<output>150</output>

<result>150</result>