The weight of 1 pear is equal to the weight of 2 apples, the weight of 1 apple is equal to the weight of 3 peaches, and the weight of 1 pear is equal to the weight of how many peaches.
1个梨的重量等于2个苹果的重量，1个苹果的重量等于3个桃子的重量，1个梨的重量等于多少个桃的重量．
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<result>6</result>