A taxpayer owned land with a basis of $120,000, subject to a mortgage of $75,000. The taxpayer exchanged the land held for another parcel of land with a fair market value of $200,000 plus cash of $35,000, and the taxpayer was relieved of the mortgage on the relinquished land. The transaction qualified for like-kind exchange treatment. What amount of taxable gain will be recognized on the taxpayer's tax return for this exchange