A village planted 1,000 trees last spring, and the survival rate was 90%. The survival rate of the trees planted this spring is 95%. It is known that 30 more trees died last spring than this spring. How many trees have survived in two years?
某村去年春季植树1000棵，成活率为90%，今年春季植树的成活率为95%．己知去年春季比今年春季多死了30棵．问两年一共活了多少棵？
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">1_000 * (9/10)</gadget>
<output>900</output>

<gadget id="calculator">1_000 - 900</gadget>
<output>100</output>

<gadget id="calculator">100 - 30</gadget>
<output>70</output>

<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">1 - (19/20)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">70 / (1/20)</gadget>
<output>1_400</output>

<gadget id="calculator">1_400 * (19/20)</gadget>
<output>1_330</output>

<gadget id="calculator">900 + 1_330</gadget>
<output>2_230</output>

<result>2_230</result>