A piece of chocolate is placed on one end of the balance, and (1/2) piece of chocolate and a weight of 50 grams are placed on the other end. At this time, the balance is just balanced. What is the weight of the whole bar of chocolate in grams?
天平一端放着一块巧克力，另一端放着(1/2)块巧克力和50克的砝码，这时天平恰好平衡．整块巧克力的重量是多少克．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">50 / (1/2)</gadget>
<output>100</output>

<result>100</result>