Wang Li puts a piece of cake on the left side of the balance, and (1/4) piece of cake and a weight of 90 grams on the right side. At this time, the balance is just balanced. How much does a whole cake weigh in grams?
王丽在天平的左边放一块蛋糕，右边放(1/4)块蛋糕和90克的砝码，这时天平恰好平衡．一整块蛋糕的重量是多少克．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">90 / (1/4)</gadget>
<output>360</output>

<result>360</result>