The average weight of the four boys and six girls is 64 kg, and the average weight of the boys is 70 kg. So, what is the average weight of these girls in kilograms?
四位男生和六位女生的平均体重为64千克，而这些男生的平均体重为70千克．那么，这些女生的平均体重为多少千克．
<gadget id="calculator">4 + 6</gadget>
<output>10</output>

<gadget id="calculator">64 * 10</gadget>
<output>640</output>

<gadget id="calculator">70 * 4</gadget>
<output>280</output>

<gadget id="calculator">640 - 280</gadget>
<output>360</output>

<gadget id="calculator">360 / 6</gadget>
<output>60</output>

<result>60</result>