Xiao Ming’s vegetable field is 800 square meters in total. His father is going to use (2/5) to grow tomatoes, and the rest will grow cucumbers and eggplants at an area ratio of 3:1. How much more square meters will the area for cucumbers be than the area for eggplants?
小明家里的菜地共800㎡，他爸爸准备用(2/5)种西红柿，剩下的按3：1的面积比种黄瓜和茄子，那么种黄瓜的面积比种茄子的面积多多少㎡？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">800 * (2/5)</gadget>
<output>320</output>

<gadget id="calculator">800 - 320</gadget>
<output>480</output>

<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">480 / 4</gadget>
<output>120</output>

<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">120 * 2</gadget>
<output>240</output>

<result>240</result>