The weight of an astronaut on the moon is only (1/6) that on the earth. An astronaut weighs 72 kilograms on the earth. How many kilograms has his weight lost on the moon?
宇航员在月球上的体重只有地球上的(1/6)，一位宇航员在地球上体重72千克，到了月球上，体重减轻了多少千克？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">72 * (1/6)</gadget>
<output>12</output>

<gadget id="calculator">72 - 12</gadget>
<output>60</output>

<result>60</result>