Peach trees are 30% less than apple trees. How many peach trees are equal to apple trees?
桃树比苹果树少30%．桃树相当于苹果树的多少．
<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>

<result>7/10 = around 0.7</result>