40% of a piece of land is planted with wax gourds, and the rest is planted with tomatoes and eggplants at a ratio of 3:2. It is known that 0.6 hectares of eggplants are planted. How many hectares does this land have?
一块地用40%种冬瓜，其余的按3：2分别种西红柿和茄子，已知茄子种了0.6公顷，这块地有多少公顷？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(3/5) * (2/5)</gadget>
<output>6/25 = around 0.24</output>

<gadget id="calculator">0.6 / (6/25)</gadget>
<output>2.5</output>

<result>2.5</result>