An apple weighs 207 kilograms, which is 9 kilograms more than three times that of a pear. How many kilograms does a pear weigh? How many columns
苹果有207千克，比梨的3倍还多9千克，梨有多少千克？列式多少
<gadget id="calculator">207 - 9</gadget>
<output>198</output>

<gadget id="calculator">198 / 3</gadget>
<output>66</output>

<result>66</result>