- (7/10) of the vegetable plot grows cucumbers, and the rest grows tomatoes. What percentage of the plot is less occupied by tomatoes than cucumbers?
-块菜地的(7/10)种黄瓜，其余种西红柿，西红柿比黄瓜少占这块地的几分之几？
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">1 - (7/10)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(7/10) - (3/10)</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>