The average weight of the students in the first group of the sixth grade class is 51.5 kg, and the weights of the five students are 51 kg, 49 kg, 53 kg, 49 kg, and 55 kg respectively. How much is the weight of the other student in kg?
六年级一班第一小组同学的平均体重是51.5千克，其中五名同学的体重各是51千克、49千克、53千克、49千克、55千克，另一名同学的体重多少千克？
<gadget id="calculator">51.5 * 6</gadget>
<output>309</output>

<gadget id="calculator">309 - 51 - 49 - 53 - 49 - 55</gadget>
<output>52</output>

<result>52</result>