If one side of the balance is a weight of 1 kg, and the other side is 5 peaches and a weight of 100 grams, and the balance is just balanced at this time, what is the weight of each peach?
如果天平的一边是一个1千克的砝码，另一边是5个桃子和一个100克的砝码，这时天平正好平衡，那么每个桃子重多少克．
<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 - 100</gadget>
<output>900</output>

<gadget id="calculator">900 / 5</gadget>
<output>180</output>

<result>180</result>