The cafeteria bought some cucumbers and tomatoes. The mass of cucumbers is 1.2 times that of tomatoes, and cucumbers are 6.4 kg more than tomatoes. How many kilograms of tomatoes did you buy?
食堂买来一些黄瓜和西红柿，黄瓜的质量是西红柿的1.2倍，黄瓜比西红柿多6.4千克．买来西红柿多少千克？
<gadget id="calculator">1.2 - 1</gadget>
<output>0.2</output>

<gadget id="calculator">6.4 / 0.2</gadget>
<output>32</output>

<result>32</result>