A primary school planted 1,500 trees last year, and the survival rate was 98%. How many trees did you plant live?
一个小学去年植树1500棵，成活率是98%．植的树活了多少棵？
<gadget id="calculator">98 / 100</gadget>
<output>49/50 = around 0.98</output>

<gadget id="calculator">1_500 * (49/50)</gadget>
<output>1_470</output>

<result>1_470</result>