The yolk of an ordinary egg is 27 grams, which is lighter (1/10) than the egg white. What is the mass of egg white in this egg?
一个普通鸡蛋的蛋黄27克，比蛋清的质量轻(1/10)．这个鸡蛋的蛋清质量是多少克？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">27 / (9/10)</gadget>
<output>30</output>

<result>30</result>