There are two lands with a total of 84 hectares. The first land (5/8) and the second land (3/4) are planted with cucumbers, and the remaining 26 hectares are planted with tomatoes. Find the number of hectares in the first land.
有两块地共84公顷，第一块地的(5/8)与第二块地的(3/4)种黄瓜，剩下的26公顷种西红柿，求第一块地是多少公顷．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">84 * (3/4)</gadget>
<output>63</output>

<gadget id="calculator">26 - 84</gadget>
<output>-58</output>

<gadget id="calculator">63 + (-58)</gadget>
<output>5</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(3/4) - (5/8)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">5 / (1/8)</gadget>
<output>40</output>

<result>40</result>