There are 150 kilograms of pears in the fruit shop, which is 30% less than apples. How many kilograms are there in apples?
水果店有梨150千克，比苹果少30%，苹果有多少千克？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 - (3/10)</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">150 / (7/10)</gadget>
<output>1_500/7 = around 214.285714</output>

<result>1_500/7 = around 214.285714</result>