A total of 1,050 trees were planted this year, among which (1/3) were poplars and (2/5) were pagoda trees. Which tree grows more? How many trees?
今年共植树1050棵，其中的(1/3)是白杨树，(2/5)是槐树．哪种树植得多？多多少棵？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(2/5) - (1/3)</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">1_050 * (1/15)</gadget>
<output>70</output>

<result>70</result>