The weight of an object on the moon is only (1/6) of that on the earth. How much does an astronaut weighing 78 kg on the earth weigh on the moon?
一个物体在月球上的重量只有在地球上的(1/6)，在地球上重78千克的宇航员，在月球上重多少千克？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">78 * (1/6)</gadget>
<output>13</output>

<result>13</result>