The students visited the Botanical Garden, 48 students from the third grade went there, and 4 times as many students from the fourth grade as the third grade. How many people went to the two grades?
同学们到植物园参观，三年级去了48人，四年级去的人数是三年级的4倍．两个年级共去了多少人？
<gadget id="calculator">48 * 4</gadget>
<output>192</output>

<gadget id="calculator">192 + 48</gadget>
<output>240</output>

<result>240</result>