A batch of new fruit trees were planted in the orchard, only 4 were dead, and the survival rate reached 98%. How many new fruit trees were planted in the orchard?
果园新种植了一批果树，只有4棵没活，成活率达到了98%，果园一共新种了多少棵果树？
<gadget id="calculator">98 / 100</gadget>
<output>49/50 = around 0.98</output>

<gadget id="calculator">1 - (49/50)</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">4 / (1/50)</gadget>
<output>200</output>

<result>200</result>