The students went to the nursery to dig saplings, and 4 groups dug 200 saplings. According to this calculation, 5 more groups came, how many saplings can be dug in total?
同学们到苗圃挖树苗，4个小组挖200株．照这样计算，又来了5个小组，一共可挖树苗多少株？
<gadget id="calculator">200 / 4</gadget>
<output>50</output>

<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">50 * 9</gadget>
<output>450</output>

<result>450</result>