Xiao Ming's height this year is 1.53 meters, which is 0.07 meters taller than last year. How much did Xiao Ming last year?
小明今年的身高是1.53米，比去年长高了0.07米．小明去年多少．
<gadget id="calculator">1.53 - 0.07</gadget>
<output>1.46</output>

<result>1.46</result>