There are 445 species of wild plants and 298 species of wild animals in a wetland. How many species of wild plants and wild animals are there in this wetland?
某湿地有野生植物445种，野生动物298种．该湿地的野生植物和野生动物共有多少种？
<gadget id="calculator">445 + 298</gadget>
<output>743</output>

<result>743</result>